{"title":"Circuit Boards","description":null,"products":[{"product_id":"carrier-upflow200u6020a-control-board-167b2b","title":"OEM Carrier Control Board Circuit Board for UPFLOW200U6020A","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model UPFLOW200U6020A\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e), factory-specified for the \u003cstrong\u003eCarrier UPFLOW200U6020A\u003c\/strong\u003e upflow gas furnace. The control board is the central command module of your furnace — it orchestrates ignition sequencing, inducer and blower motor timing, pressure switch verification, flame sensing, and fault code diagnostics. When this board fails, symptoms typically include complete no-heat lockout, erratic cycling, unresponsive thermostat calls, or persistent fault codes that cannot be cleared by a reset alone.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Number HH680001 | Replaces 58GA680087, P771-1003, 58GA75598, and 75598 | Factory-matched integrated furnace control (IFC) board | Designed for Carrier upflow gas furnace platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not an aftermarket substitute. OEM boards include factory-programmed timing sequences, diagnostic LED logic, and exact connector layouts. Aftermarket boards frequently misfire ignition timing or misread pressure switch signals, leading to repeat service calls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires disconnecting line voltage and 24V control wiring across multiple harnesses. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, smartphone or camera to photograph all wiring connections before removal. Always shut off gas supply and disconnect power at the breaker before starting. Recommend a qualified HVAC technician for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against manufacturing defects. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Directly fits the \u003cstrong\u003eCarrier UPFLOW200U6020A\u003c\/strong\u003e upflow gas furnace. Also cross-references OEM part numbers 58GA680087, P771-1003, 75598, and 58GA75598 — verify your existing board's part number against these references before ordering. Questions about fitment? Our HVAC parts specialists confirm compatibility before your order ships.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640224076147,"sku":"CARRIE-UPFLOW200U6020A-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640224108915,"sku":"CARRIE-UPFLOW200U6020A-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_e0231e5d-e02a-4f09-bf4f-051abec343b4.jpg?v=1775023077"},{"product_id":"carrier-upflow175u6019a-control-board-167b2b","title":"OEM Carrier Control Board Circuit Board for UPFLOW175U6019A — HH680001","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model UPFLOW175U6019A\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit board (part number HH680001) — the factory-specified replacement for the \u003cstrong\u003eCarrier UPFLOW175U6019A\u003c\/strong\u003e upflow gas furnace. The integrated furnace control (IFC) board serves as the central brain of your heating system, orchestrating ignition sequencing, blower fan timing, inducer operation, safety circuit monitoring, and thermostat communication. When the control board fails, symptoms typically include a complete system lockout, erratic or intermittent heating, failure to initiate ignition, blower running continuously or not at all, or flashing diagnostic fault codes on the board's LED indicator.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HH680001 (cross-reference: 0854680) | Genuine OEM Carrier replacement | Engineered specifically for the UPFLOW175U6019A upflow furnace platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a factory-original Carrier board — not a third-party clone. OEM boards preserve factory-calibrated timing sequences, safety lockout thresholds, and diagnostic LED codes. Aftermarket boards may not replicate all safety functions accurately, risking nuisance lockouts or premature component wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires shutting off power and gas, photographing all wiring harness connections before removal, and carefully transferring connectors one-by-one. A multimeter is recommended to verify 24V control voltage prior to installation. Professional installation is strongly advised if you are unfamiliar with furnace wiring schematics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e 1-year OEM manufacturer warranty against defects. In stock and ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eUPFLOW175U6019A\u003c\/strong\u003e upflow gas furnace. Always verify your existing board's part number and confirm HH680001 is printed on the board label before ordering. Our team is available to verify fitment — contact us before checkout if you have any questions. \u003cstrong\u003eOrder now for same-day shipping!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640224928115,"sku":"CARRIE-UPFLOW175U6019A-CONTROL_BOARD-HH680001","price":499.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640224960883,"sku":"CARRIE-UPFLOW175U6019A-CONTROL_BOARD-HH680001-GEN","price":439.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_825547c6-8c88-4d9c-ab99-ca351833375f.jpg?v=1775023072"},{"product_id":"carrier-upflow175u6019-control-board-167b2b","title":"OEM Carrier Furnace Control Board Replacement for UPFLOW175U6019","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Board Replacement for UPFLOW175U6019\u003c\/h1\u003e\n\u003cp\u003eThe integrated furnace control board is the brain of your Carrier furnace — it sequences ignition, drives the inducer and blower relays, monitors the safety limits and flame sensor, and times every stage of the heating cycle. When it fails you'll see erratic behavior: the furnace short-cycling, the blower running constantly or never starting, no ignition despite a call for heat, or an LED flashing a fault code on the board itself. Cracked solder joints and a blown onboard fuse are common failure points, often showing up as intermittent no-heat that comes and goes with temperature.\n\nThis is a genuine OEM Carrier control board matched to your furnace's relay count, connector pin-out, and firmware sequence. These boards typically carry multiple onboard relays (inducer, blower-heat, blower-cool, and humidifier\/EAC terminals) plus a replaceable 3A or 5A automotive blade fuse. Pin-for-pin compatibility matters — the molded connectors and terminal layout must match so the existing harness plugs in without rewiring.\n\nWhy OEM here: aftermarket and \"rebuilt\" boards often substitute lower-rated relays and generic components that can't handle repeated inrush current, leading to chattering relays and premature failure. Wrong firmware timing can leave the inducer or flame-proving sequence out of spec, tripping safety lockouts. The genuine Carrier board reproduces the exact ignition timing and safety logic the furnace was certified with.\n\nInstall difficulty: 3 of 5. Tools: 1\/4\" nut driver, a phone camera to photograph the wiring before disconnecting, and a multimeter. #1 safety warning: KILL the furnace breaker before touching the board — line voltage is present on the board even with the thermostat off. Label every connector before unplugging it.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model UPFLOW175U6019. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640225976691,"sku":"CARRIE-UPFLOW175U6019-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640226009459,"sku":"CARRIE-UPFLOW175U6019-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_429f3c1e-6e92-4b04-92fa-7993af7ae033.jpg?v=1775025289"},{"product_id":"carrier-upflow175u6020a-control-board-167b2b","title":"OEM Carrier Circuit Board Control Board HH680001 — UPFLOW175U6020A","description":"\u003ch1\u003eOEM Carrier Circuit Board HH680001 for Model UPFLOW175U6020A\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e), the factory-specified replacement control board for the \u003cstrong\u003eCarrier UPFLOW175U6020A\u003c\/strong\u003e upflow gas furnace. The integrated furnace control (IFC) board is the central command unit of your heating system — it orchestrates sequencing for the inducer motor, ignition, gas valve, blower, and all safety circuits. When this board fails, you may experience symptoms including a complete no-heat lockout, erratic or incomplete ignition sequences, failure to advance through heating stages, or intermittent short-cycling with no clear fault code pattern. In many cases, all other components will check out good while the board itself is the root cause.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Carrier OEM Part #HH680001 | Replaces legacy part numbers 58GA680087, P771-1003, 75598, and 58GA75598 | Factory-matched firmware and relay configuration for UPFLOW175U6020A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier board — not a third-party clone. Aftermarket control boards frequently suffer from relay tolerance issues, incorrect fault code logic, and incompatible firmware, all of which can cause repeat failures or unsafe operation. The OEM board ensures exact relay ratings, timing sequences, and diagnostic LED behavior as originally engineered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires shutting off 120V power and gas supply. Label and photograph ALL wiring harness connections before disconnecting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone\/camera for documentation. Strongly recommended for licensed HVAC technicians. Improper wiring can damage new board immediately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our stocked warehouse. Cross-reference your existing board's part number label before ordering to confirm revision match.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for the \u003cstrong\u003eCarrier UPFLOW175U6020A\u003c\/strong\u003e upflow gas furnace. Also replaces legacy cross-reference part numbers 58GA680087, P771-1003, 75598, and 58GA75598. Verify the part number printed on your existing board's label prior to ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — call or chat today. \u003cstrong\u003eIn stock and ships same business day.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640226042227,"sku":"CARRIE-UPFLOW175U6020A-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640226074995,"sku":"CARRIE-UPFLOW175U6020A-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_408b24fe-e9df-41c9-bd9e-5952861d1363.jpg?v=1775018469"},{"product_id":"carrier-upflow175u6019x-control-board-167b2b","title":"OEM Carrier Control Board Circuit Board for UPFLOW175U6019X","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model UPFLOW175U6019X\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit control board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier UPFLOW175U6019X\u003c\/strong\u003e upflow furnace. The integrated furnace control (IFC) board is the nerve center of your heating system — it orchestrates the ignition sequence, monitors safety switches, drives the inducer and blower motors, and controls gas valve staging. When this board fails, you may experience a complete no-heat condition, repeated ignition lockouts, erratic blower behavior, or diagnostic fault codes that cannot be cleared. Always confirm the board is at fault before replacing it, as pressure switches, flame sensors, and limit switches can produce similar symptom profiles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HH680001 | Also replaces: 58GA680087, P771-1003, 75598, 58GA75598 | Genuine Carrier OEM replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a factory-original board — not an aftermarket clone. OEM boards retain exact microcontroller firmware, relay ratings, and terminal layout, eliminating compatibility guesswork and ensuring diagnostic fault codes behave as designed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Disconnect power and gas before beginning. Photograph all wiring harness connections before removal. Tools needed: nut driver set, needle-nose pliers, multimeter for pre\/post voltage verification. Recommend a qualified HVAC technician for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct factory replacement for the \u003cstrong\u003eCarrier UPFLOW175U6019X\u003c\/strong\u003e upflow gas furnace. Cross-references OEM part numbers 58GA680087, P771-1003, 75598, and 58GA75598 — verify your existing board's part number against the data label before ordering. Questions about fitment? Our parts team verifies compatibility before you buy. \u003cstrong\u003eOrder today and ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640226173299,"sku":"CARRIE-UPFLOW175U6019X-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640226206067,"sku":"CARRIE-UPFLOW175U6019X-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_0b37a6ba-e8e3-4394-b6e4-17ab40612563.jpg?v=1775023075"},{"product_id":"carrier-upflow150u6019a-control-board-167b2b","title":"OEM Carrier Control Board (Circuit Board) HH680001 — UPFLOW150U6019A","description":"\u003ch1\u003eOEM Carrier Furnace Control Board HH680001 for Model UPFLOW150U6019A\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier UPFLOW150U6019A\u003c\/strong\u003e upflow furnace. The control board is the central command module of your furnace — it sequences the inducer motor, igniter, gas valve, and blower in precise timed cycles. When it fails, you may experience symptoms such as a complete no-heat condition, repeated hard lockouts, erratic blower operation, failure to ignite, or status LED fault codes that cannot be cleared by resetting the thermostat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Also replaces: 58GA680087, P771-1003, 75598, 58GA75598 | Factory-matched to Carrier UPFLOW150U6019A specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM board — not an aftermarket clone. Third-party control boards often lack exact firmware timing, relay ratings, and connector pinouts, leading to misdiagnosis or repeat failures. Always use OEM on control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Requires shutting off 120V power and gas supply before beginning. Tools needed: ¼\" and 5\/16\" nut drivers, needle-nose pliers, smartphone (to photograph all wiring harness connections before disconnecting). Note all diagnostic LED flash codes before removing the old board. Not recommended as a first DIY repair — consult a licensed HVAC technician if uncertain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-matched for the \u003cstrong\u003eCarrier UPFLOW150U6019A\u003c\/strong\u003e upflow gas furnace. Verify your existing board's part number against HH680001 and the listed cross-references before ordering. Have questions about fitment? Our HVAC parts specialists verify compatibility before you purchase — contact us before ordering.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640227090803,"sku":"CARRIE-UPFLOW150U6019A-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640227123571,"sku":"CARRIE-UPFLOW150U6019A-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_f9b07dab-08a5-41ea-b0dc-ed2b4ab3e987.jpg?v=1775023054"},{"product_id":"carrier-upflow150u6019-control-board-167b2b","title":"OEM Carrier Control Board HH680001 for UPFLOW150U6019","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model UPFLOW150U6019\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier UPFLOW150U6019\u003c\/strong\u003e upflow gas furnace. The integrated furnace control (IFC) board is the central command hub of your heating system — it sequences the inducer motor, igniter, gas valve, blower motor, and all safety switches in precise coordination. When this board fails, symptoms typically include a furnace that won't ignite, a system stuck in lockout, erratic blower behavior, or fault codes flashing on the LED diagnostic indicator with no corresponding resolution.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Also supersedes: 58GA680087, P771-1003, 75598, 58GA75598 — Factory-matched for exact fit and full functionality on UPFLOW150U6019\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board, not a third-party substitute. Aftermarket boards frequently omit proprietary fault-code logic and may not honor all safety lockout sequences, creating liability and call-back risk. OEM ensures every relay timing, terminal assignment, and diagnostic routine matches factory spec precisely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires shutting off 120V power and gas supply, photographing or labeling all terminal connections before removal, and carefully transferring wiring harnesses to the new board. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone\/camera for wiring documentation. Recommend a licensed HVAC technician for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our NationalHVACParts.com warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct OEM replacement for the \u003cstrong\u003eCarrier UPFLOW150U6019\u003c\/strong\u003e upflow gas furnace. Cross-references include legacy part numbers 58GA680087, P771-1003, 75598, and 58GA75598 — verify your existing board's part number against these references before ordering. Not sure if this is your board? Our parts specialists verify fitment before you place your order — reach out before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640227221875,"sku":"CARRIE-UPFLOW150U6019-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640227254643,"sku":"CARRIE-UPFLOW150U6019-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_4b27f3f0-28a8-4c9b-8aa2-b11ddc3fa976.jpg?v=1775025296"},{"product_id":"carrier-upflow150u6020a-control-board-167b2b","title":"OEM Carrier Control Board Circuit Board for UPFLOW150U6020A — HH680001","description":"\u003ch1\u003eOEM Carrier Circuit Board (HH680001) for Model UPFLOW150U6020A\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e), the factory-specified replacement control board for the \u003cstrong\u003eCarrier UPFLOW150U6020A\u003c\/strong\u003e upflow gas furnace. The control board serves as the command center of your heating system — managing ignition sequencing, blower fan timing, safety lockout logic, and two-way communication with the thermostat. When this board fails, symptoms can include the furnace not heating, erratic cycling, unresponsive controls, or a system stuck in lockout mode with no diagnostic flash codes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Carrier factory-original circuit board | Exact plug-and-play fitment for UPFLOW150U6020A — no modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board, not an aftermarket substitute. OEM boards carry factory-calibrated firmware, correct input\/output configurations, and proper diagnostic LED behavior. Aftermarket boards may have timing or logic variations that cause nuisance lockouts or shortened equipment life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires disconnecting low-voltage thermostat wiring, high-voltage line connections, and multiple harness connectors. \u003cstrong\u003eTools needed:\u003c\/strong\u003e flathead and Phillips screwdrivers, needle-nose pliers, smartphone or camera (photograph ALL wiring before removal), and a multimeter for post-install verification. Recommend qualified HVAC technician for installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock and ships same business day from our warehouse when ordered by 5PM.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eUPFLOW150U6020A\u003c\/strong\u003e upflow gas furnace. Always cross-reference the part number on your existing board and verify model number on the unit's data plate before ordering. Our team is available to confirm fitment — reach out before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640227287411,"sku":"CARRIE-UPFLOW150U6020A-CONTROL_BOARD-HH680001","price":499.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640227320179,"sku":"CARRIE-UPFLOW150U6020A-CONTROL_BOARD-HH680001-GEN","price":439.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_e57bf372-a5ad-48c6-865d-5f24f658a4b0.jpg?v=1775023070"},{"product_id":"carrier-upflow150u4819x-control-board-167b2b","title":"OEM Carrier Furnace Control Board Replacement for UPFLOW150U4819X","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Board Replacement for UPFLOW150U4819X\u003c\/h1\u003e\n\u003cp\u003eThe integrated furnace control board is the brain of your Carrier furnace — it sequences ignition, drives the inducer and blower relays, monitors the safety limits and flame sensor, and times every stage of the heating cycle. When it fails you'll see erratic behavior: the furnace short-cycling, the blower running constantly or never starting, no ignition despite a call for heat, or an LED flashing a fault code on the board itself. Cracked solder joints and a blown onboard fuse are common failure points, often showing up as intermittent no-heat that comes and goes with temperature.\n\nThis is a genuine OEM Carrier control board matched to your furnace's relay count, connector pin-out, and firmware sequence. These boards typically carry multiple onboard relays (inducer, blower-heat, blower-cool, and humidifier\/EAC terminals) plus a replaceable 3A or 5A automotive blade fuse. Pin-for-pin compatibility matters — the molded connectors and terminal layout must match so the existing harness plugs in without rewiring.\n\nWhy OEM here: aftermarket and \"rebuilt\" boards often substitute lower-rated relays and generic components that can't handle repeated inrush current, leading to chattering relays and premature failure. Wrong firmware timing can leave the inducer or flame-proving sequence out of spec, tripping safety lockouts. The genuine Carrier board reproduces the exact ignition timing and safety logic the furnace was certified with.\n\nInstall difficulty: 3 of 5. Tools: 1\/4\" nut driver, a phone camera to photograph the wiring before disconnecting, and a multimeter. #1 safety warning: KILL the furnace breaker before touching the board — line voltage is present on the board even with the thermostat off. Label every connector before unplugging it.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model UPFLOW150U4819X. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640227418483,"sku":"CARRIE-UPFLOW150U4819X-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640227451251,"sku":"CARRIE-UPFLOW150U4819X-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_db715d75-0377-4feb-8c0f-a6548783123d.jpg?v=1775025286"},{"product_id":"carrier-upflow125u6019a-control-board-167b2b","title":"OEM Carrier Circuit Board Control Board for UPFLOW125U6019A","description":"\u003ch1\u003eOEM Carrier Circuit Board (HH680001) for Model UPFLOW125U6019A\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit board — part number \u003cstrong\u003eHH680001\u003c\/strong\u003e — factory-specified for the \u003cstrong\u003eCarrier UPFLOW125U6019A\u003c\/strong\u003e upflow gas furnace. The integrated furnace control (IFC) board is the central command hub of your heating system, orchestrating ignition sequencing, blower timing, inducer operation, safety lockout logic, and fault code diagnostics. When this board fails, the furnace may exhibit erratic behavior such as failing to start, locking out after multiple ignition attempts, running components out of sequence, or displaying continuous error codes with no recoverable reset.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Also supersedes: 58GA680087, P771-1003, 75598, 58GA75598 — factory-direct replacement with zero compatibility compromise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine Carrier-manufactured board, not a third-party clone. OEM boards retain original firmware logic, terminal layout, and diagnostic LED behavior — generic aftermarket boards frequently omit safety subroutines and carry no firmware guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires safe 120V system shutdown and full capacitor discharge before access. Label and photograph all wiring harness connections before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Recommend professional installation for warranty preservation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty on this board. Ships same business day from our warehouse — get your furnace back online fast\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for \u003cstrong\u003eCarrier UPFLOW125U6019A\u003c\/strong\u003e upflow furnace. Always verify your unit's data plate and existing board part number before ordering — cross-reference superseded part numbers 58GA680087, P771-1003, 75598, and 58GA75598 for confirmed fitment. Our technical team is available to verify compatibility before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640233152883,"sku":"CARRIE-UPFLOW125U6019A-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640233185651,"sku":"CARRIE-UPFLOW125U6019A-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_fc504ee2-b4d8-4a6e-834f-7fb625365942.jpg?v=1775018460"},{"product_id":"carrier-upflow125u4819a-control-board-167b2b","title":"OEM Carrier Furnace Control Board Replacement for UPFLOW125U4819A","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Board Replacement for UPFLOW125U4819A\u003c\/h1\u003e\n\u003cp\u003eThe integrated furnace control board is the brain of your Carrier furnace. It sequences the entire heating cycle — energizing the inducer, proving the pressure switch, firing the igniter, opening the gas valve, and timing the blower on and off — while monitoring flame sense and the safety limits. When it fails you'll see scrambled or absent diagnostic LED codes, a furnace that won't start, a blower that runs constantly or never starts, short-cycling, or ignition that drops out after a few seconds. Cracked solder joints around the relays and a blown onboard fuse are the classic failure points.\n\nThis genuine OEM Carrier board carries the correct relay count and amperage (typically the inducer, gas-valve, and line\/heat\/cool blower relays), the matching microprocessor firmware, and the exact pin-out and connector layout for your furnace — so ignition timing, flame-sense threshold, and blower delays match factory spec. Confirm the board's OEM part number against the one printed on your existing board.\n\nWhy OEM matters here: aftermarket and 'universal' boards often use lighter-duty relays and generic timing that doesn't match Carrier's flame-sense sensitivity, causing nuisance lockouts, wrong blower-off delays, and premature relay burnout. A board with undersized relay contacts pits and welds, leading to a blower or inducer that won't shut off.\n\nInstall difficulty: 3 of 5. Tools: 1\/4\" nut driver, a multimeter, and a phone to photograph every wire before you unplug it. #1 safety warning: kill the furnace breaker before servicing — the board carries line voltage at the relays. Transfer wires one at a time to the new board to avoid miswiring.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model UPFLOW125U4819A. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640233677171,"sku":"CARRIE-UPFLOW125U4819A-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640233709939,"sku":"CARRIE-UPFLOW125U4819A-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_7d31febb-f26e-41c6-89c1-073ddbea69d0.jpg?v=1775025278"},{"product_id":"carrier-upflow125u4819-control-board-167b2b","title":"OEM Carrier Furnace Control Board Replacement for UPFLOW125U4819","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Board Replacement for UPFLOW125U4819\u003c\/h1\u003e\n\u003cp\u003eThe integrated furnace control board is the brain of your Carrier furnace. It sequences the entire heating cycle — energizing the inducer, proving the pressure switch, firing the igniter, opening the gas valve, and timing the blower on and off — while monitoring flame sense and the safety limits. When it fails you'll see scrambled or absent diagnostic LED codes, a furnace that won't start, a blower that runs constantly or never starts, short-cycling, or ignition that drops out after a few seconds. Cracked solder joints around the relays and a blown onboard fuse are the classic failure points.\n\nThis genuine OEM Carrier board carries the correct relay count and amperage (typically the inducer, gas-valve, and line\/heat\/cool blower relays), the matching microprocessor firmware, and the exact pin-out and connector layout for your furnace — so ignition timing, flame-sense threshold, and blower delays match factory spec. Confirm the board's OEM part number against the one printed on your existing board.\n\nWhy OEM matters here: aftermarket and 'universal' boards often use lighter-duty relays and generic timing that doesn't match Carrier's flame-sense sensitivity, causing nuisance lockouts, wrong blower-off delays, and premature relay burnout. A board with undersized relay contacts pits and welds, leading to a blower or inducer that won't shut off.\n\nInstall difficulty: 3 of 5. Tools: 1\/4\" nut driver, a multimeter, and a phone to photograph every wire before you unplug it. #1 safety warning: kill the furnace breaker before servicing — the board carries line voltage at the relays. Transfer wires one at a time to the new board to avoid miswiring.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model UPFLOW125U4819. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640234201459,"sku":"CARRIE-UPFLOW125U4819-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640234234227,"sku":"CARRIE-UPFLOW125U4819-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_9e59569f-2453-43f0-b924-a146a557d9f3.jpg?v=1775025275"},{"product_id":"carrier-upflow125u4819x-control-board-167b2b","title":"OEM Carrier Furnace Control Board Replacement for UPFLOW125U4819X","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Board Replacement for UPFLOW125U4819X\u003c\/h1\u003e\n\u003cp\u003eThe integrated furnace control board is the brain of your Carrier furnace. It sequences the entire heating cycle — energizing the inducer, proving the pressure switch, firing the igniter, opening the gas valve, and timing the blower on and off — while monitoring flame sense and the safety limits. When it fails you'll see scrambled or absent diagnostic LED codes, a furnace that won't start, a blower that runs constantly or never starts, short-cycling, or ignition that drops out after a few seconds. Cracked solder joints around the relays and a blown onboard fuse are the classic failure points.\n\nThis genuine OEM Carrier board carries the correct relay count and amperage (typically the inducer, gas-valve, and line\/heat\/cool blower relays), the matching microprocessor firmware, and the exact pin-out and connector layout for your furnace — so ignition timing, flame-sense threshold, and blower delays match factory spec. Confirm the board's OEM part number against the one printed on your existing board.\n\nWhy OEM matters here: aftermarket and 'universal' boards often use lighter-duty relays and generic timing that doesn't match Carrier's flame-sense sensitivity, causing nuisance lockouts, wrong blower-off delays, and premature relay burnout. A board with undersized relay contacts pits and welds, leading to a blower or inducer that won't shut off.\n\nInstall difficulty: 3 of 5. Tools: 1\/4\" nut driver, a multimeter, and a phone to photograph every wire before you unplug it. #1 safety warning: kill the furnace breaker before servicing — the board carries line voltage at the relays. Transfer wires one at a time to the new board to avoid miswiring.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model UPFLOW125U4819X. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640234332531,"sku":"CARRIE-UPFLOW125U4819X-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640234365299,"sku":"CARRIE-UPFLOW125U4819X-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_8031de64-77d7-49df-973f-519ee0056a25.jpg?v=1775025281"},{"product_id":"carrier-upflow100u4819a-control-board-167b2b","title":"OEM Carrier Control Board HH680001 for UPFLOW100U4819A","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model UPFLOW100U4819A\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier UPFLOW100U4819A\u003c\/strong\u003e upflow gas furnace. The integrated furnace control (IFC) board is the operational brain of your heating system — it sequences ignition, manages blower fan timing, monitors safety inputs from pressure switches and limit controls, and communicates status to your thermostat. When this board fails, you may experience complete system shutdown, failure to ignite, erratic blower behavior, or a furnace that starts a heating cycle but immediately locks out. Fault LED codes on the board itself are the fastest path to diagnosis.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Number HH680001 | Cross-reference: 0854680 | Application: Upflow gas furnace control board | Compatible voltage: 120V\/24V control circuit | Multi-stage diagnostic LED fault codes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not an aftermarket substitute. OEM boards carry exact firmware, relay ratings, and terminal configurations engineered for your specific unit. Generic boards risk mis-sequencing ignition or misreading safety inputs, which can cause nuisance lockouts or, worse, unsafe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and gas before beginning. Photograph all wiring harness connections before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, smartphone (for wiring photos), multimeter to confirm 24V control circuit is intact post-install. A qualified HVAC technician is recommended for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock — ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for the \u003cstrong\u003eCarrier UPFLOW100U4819A\u003c\/strong\u003e upflow gas furnace. Verify your existing board's part number (HH680001 or cross-reference 0854680) against your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before every order — contact us before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640239182195,"sku":"CARRIE-UPFLOW100U4819A-CONTROL_BOARD-HH680001","price":499.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640239214963,"sku":"CARRIE-UPFLOW100U4819A-CONTROL_BOARD-HH680001-GEN","price":439.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_2ff0b9aa-9e01-4f37-8e03-de5cc359171e.jpg?v=1775025294"},{"product_id":"carrier-upflow100u4819-control-board-167b2b","title":"OEM Carrier Control Board for UPFLOW100U4819","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Control Board for UPFLOW100U4819\u003c\/h1\u003e\n\u003cp\u003eThe integrated furnace control board is the brain of your Carrier UPFLOW100U4819. It manages the entire ignition sequence — proving the pressure switch, energizing the inducer, firing the igniter, opening the gas valve, and timing the blower on and off — while monitoring flame sense and safety limits. When the board fails, the furnace simply won't run a normal cycle: no inducer start, no ignition, short-cycling, the blower running constantly, or an error flash code on the diagnostic LED. Homeowners often report no heat with the thermostat clearly calling, or the furnace locking out after a few attempts.\n\nSpecs: this OEM board carries the original multi-relay layout (inducer, gas valve, heat and cool blower speeds, and EAC\/humidifier terminals), the matched microprocessor firmware, and the same flame-sense circuit and diagnostic LED as the factory part. Relay ratings and timings are calibrated to this furnace family — a mismatched board mis-times the blower and can nuisance-trip the limit.\n\nWhy OEM matters: aftermarket and rebuilt boards often substitute lower-rated relays that pit and weld under the gas-valve and blower-motor inrush, and may run generic firmware with different ignition timing. That shortens board life and can leave the furnace short-cycling or failing flame proof. The OEM board guarantees correct relay ratings, timing, and safety logic.\n\nInstall difficulty: 3\/5. Tools: 1\/4\" nut driver, multimeter, phone camera to photograph wiring before removal. #1 safety warning: KILL THE BREAKER to the furnace before disconnecting any wires — line voltage is present on the board. Label every lead and match the connector positions exactly.\n\nShips same business day from our stocked warehouse on orders before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model UPFLOW100U4819. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640239772019,"sku":"CARRIE-UPFLOW100U4819-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640239804787,"sku":"CARRIE-UPFLOW100U4819-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_62cdd8a6-4ec6-4a6b-bc4f-661a2c09825f.jpg?v=1775025273"},{"product_id":"carrier-upflow100u4219a-control-board-167b2b","title":"OEM Carrier Control Board for UPFLOW100U4219A","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Control Board for UPFLOW100U4219A\u003c\/h1\u003e\n\u003cp\u003eThe integrated control board orchestrates every step of the heating cycle in your Carrier UPFLOW100U4219A furnace. It verifies the pressure switch, starts the inducer, energizes the hot-surface igniter, opens the gas valve, reads flame sense, and times blower-on and blower-off delays — all while watching the safety limits. A failed board produces a furnace that won't sequence: no inducer, no ignition, repeated lockouts, the blower running nonstop, or a blinking fault code on the board's LED. The most common homeowner complaint is no heat despite a clear thermostat call.\n\nSpecs: OEM board with the factory multi-relay configuration (inducer, gas valve, heat\/cool blower taps, EAC and humidifier terminals), matched microprocessor firmware, original flame-sense circuit, and onboard diagnostic LED. Relay current ratings and ignition timing are tuned to this Carrier furnace platform.\n\nWhy OEM matters: generic replacement boards frequently use undersized relays that pit and weld from the inrush of the gas valve and PSC\/ECM blower, and rebuilt boards may carry mismatched firmware timing. The result is premature board failure, blower mis-timing, and flame-proof faults. The OEM board ensures correct relay ratings, ignition timing, and safety interlocks.\n\nInstall difficulty: 3\/5. Tools: 1\/4\" nut driver, multimeter, and a phone camera to document the wiring harness before you unplug anything. #1 safety warning: SHUT OFF THE BREAKER feeding the furnace before disconnecting wires — the board carries live line voltage. Photograph and label all connections so each lead returns to the exact terminal.\n\nShips same business day from our stocked warehouse on orders before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model UPFLOW100U4219A. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640239837555,"sku":"CARRIE-UPFLOW100U4219A-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640239870323,"sku":"CARRIE-UPFLOW100U4219A-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_3bc23d19-64b6-4c67-9fe7-135da20e1a85.jpg?v=1775025270"},{"product_id":"carrier-upflow100u4219-control-board-167b2b","title":"OEM Carrier Circuit Board Control Board HH680001 — UPFLOW100U4219","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model UPFLOW100U4219\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e) is the factory-specified replacement control board for the \u003cstrong\u003eCarrier UPFLOW100U4219\u003c\/strong\u003e upflow gas furnace. The integrated furnace control (IFC) board serves as the central command hub of your heating system — orchestrating ignition sequencing, blower motor timing, inducer operation, limit switch monitoring, and fault code diagnostics. When this board fails, symptoms include complete system lockout, erratic ignition attempts, no blower response, false fault codes, or a furnace that starts briefly and then shuts down with no identifiable cause in other components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Replaces legacy part numbers 58GA680087, P771-1003, 58GA75598, and 75598 — verified cross-reference for drop-in compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM circuit board manufactured to exact factory specifications. Aftermarket boards often lack precise timing calibration and proprietary fault-code logic, risking repeat failures, voided equipment warranties, and incompatibility with Carrier's variable-speed blower or two-stage valve sequencing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires working knowledge of 24V low-voltage control wiring, high-voltage line connections, and connector identification. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, a multimeter, and a phone or camera to photograph all wiring before disconnection. Always disconnect power at the breaker before beginning. If in doubt, consult a licensed HVAC technician.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed today ship same business day from our climate-controlled parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for the \u003cstrong\u003eCarrier UPFLOW100U4219\u003c\/strong\u003e upflow gas furnace. Always verify your existing board's part number against HH680001 or its known superseded part numbers before ordering. Our parts specialists are available to confirm fitment — contact us before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640239968627,"sku":"CARRIE-UPFLOW100U4219-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640240001395,"sku":"CARRIE-UPFLOW100U4219-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_6bb2a14d-8714-4aaa-bac4-7d580669ccad.jpg?v=1775018466"},{"product_id":"carrier-upflow100u3619a-control-board-167b2b","title":"OEM Carrier Control Board for UPFLOW100U3619A","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Control Board for UPFLOW100U3619A\u003c\/h1\u003e\n\u003cp\u003eThis integrated furnace control board is the command center of your Carrier UPFLOW100U3619A. It proves the pressure switch, drives the inducer motor, sequences the hot-surface igniter and gas valve, monitors the flame-sense rod, and times the blower's heat and cool delays while enforcing every safety limit. When it fails, the furnace stops cycling normally — you may get no inducer startup, no ignition, repeated safety lockouts, a blower that won't shut off, or a diagnostic LED flashing a fault code. Homeowners most often see no heat on a clear thermostat call or a unit that lights briefly then drops out.\n\nSpecs: OEM board with the original relay complement (inducer, gas valve, heat\/cool blower speeds, EAC and humidifier outputs), factory-matched firmware, the correct flame-sense circuit, and an onboard diagnostic LED. Relay ratings and ignition timing are specific to this Carrier furnace series.\n\nWhy OEM matters: aftermarket boards commonly fit lower-rated relays that arc and weld under gas-valve and blower inrush, and rebuilt units may run generic timing firmware. Both lead to early failure, blower mis-timing, and flame-proof faults. The OEM board guarantees proper relay ratings, ignition sequence timing, and safety logic so the furnace runs as designed.\n\nInstall difficulty: 3\/5. Tools: 1\/4\" nut driver, multimeter, and a camera to photograph the wiring before removal. #1 safety warning: TURN OFF THE BREAKER to the furnace before touching the board — line voltage is present on its terminals. Label each wire and restore every connector to its exact position.\n\nShips same business day from our stocked warehouse on orders before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model UPFLOW100U3619A. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640240034163,"sku":"CARRIE-UPFLOW100U3619A-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640240066931,"sku":"CARRIE-UPFLOW100U3619A-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_f27a2c1f-70d3-41aa-85e7-e6d5f17ce7ef.jpg?v=1775025265"},{"product_id":"carrier-upflow100u3619-control-board-167b2b","title":"OEM Carrier Control Board for UPFLOW100U3619","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Control Board for UPFLOW100U3619\u003c\/h1\u003e\n\u003cp\u003eThe integrated control board is the brain of your Carrier UPFLOW100U3619 furnace, managing the complete ignition and blower sequence. It confirms the pressure switch closes, energizes the inducer, fires the hot-surface igniter, opens the gas valve, senses flame, and times the blower-on and blower-off delays while supervising the safety limit string. A bad board breaks the sequence: no inducer, no light-off, short-cycling, a blower stuck running, or a flashing LED fault code. Most homeowners report no heat even though the thermostat is plainly calling, or a furnace that lights then locks out.\n\nSpecs: OEM board with the factory relay layout (inducer, gas valve, heat and cool blower speeds, plus EAC and humidifier terminals), the matched microprocessor firmware, the original flame-sense circuit, and a built-in diagnostic LED. Relay ratings and ignition timings are calibrated for this Carrier furnace platform.\n\nWhy OEM matters: generic boards often use undersized relays that pit and weld under the inrush of the gas valve and blower motor, and rebuilt boards may carry firmware with the wrong timing. The outcome is premature failure, blower mis-timing, and intermittent flame-proof faults. The OEM board ensures correct relay ratings, ignition timing, and safety interlocks.\n\nInstall difficulty: 3\/5. Tools: 1\/4\" nut driver, multimeter, and a phone camera to record the wiring before disconnecting. #1 safety warning: KILL THE BREAKER to the furnace before removing any wires — the board is energized with line voltage. Label every lead and match each connector exactly on reinstall.\n\nShips same business day from our stocked warehouse on orders before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model UPFLOW100U3619. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640240165235,"sku":"CARRIE-UPFLOW100U3619-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640240198003,"sku":"CARRIE-UPFLOW100U3619-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_5c1f320d-e9fd-4b25-a5be-29b424f3f669.jpg?v=1775025262"},{"product_id":"carrier-upflow100u3619x-control-board-167b2b","title":"OEM Carrier Control Board for UPFLOW100U3619X","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Control Board for UPFLOW100U3619X\u003c\/h1\u003e\n\u003cp\u003eThis integrated furnace control board runs the entire heat cycle in your Carrier UPFLOW100U3619X. It proves the pressure switch, powers the inducer, sequences the hot-surface igniter and gas valve, watches the flame-sense rod, and times the blower heat and cool delays while enforcing all safety limits. When the board fails the furnace can't complete a cycle — symptoms include no inducer start, no ignition, repeated lockouts, a blower that runs continuously, or a diagnostic LED blinking a fault code. The typical homeowner complaint is no heat on a clear thermostat call or a brief light-off that immediately drops out.\n\nSpecs: OEM board with the original multi-relay configuration (inducer, gas valve, heat\/cool blower taps, EAC and humidifier terminals), factory-matched firmware, the correct flame-sense circuit, and an onboard diagnostic LED. Relay current ratings and ignition timing are matched to this Carrier furnace series.\n\nWhy OEM matters: aftermarket boards frequently substitute lower-rated relays that pit and weld under gas-valve and blower inrush, while rebuilt boards may run mismatched firmware timing. Both shorten board life and cause blower mis-timing or flame-proof faults. The OEM board guarantees correct relay ratings, ignition timing, and safety logic for reliable operation.\n\nInstall difficulty: 3\/5. Tools: 1\/4\" nut driver, multimeter, and a phone camera to photograph the harness before removal. #1 safety warning: TURN OFF THE BREAKER to the furnace before disconnecting wires — line voltage is present on the board. Label and photograph each connection so every lead goes back to the exact terminal.\n\nShips same business day from our stocked warehouse on orders before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model UPFLOW100U3619X. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640240296307,"sku":"CARRIE-UPFLOW100U3619X-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640240329075,"sku":"CARRIE-UPFLOW100U3619X-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_bb5d82bf-1231-4988-81fe-c4846b9c7c02.jpg?v=1775025268"},{"product_id":"carrier-upflow080u4219-control-board-167b2b","title":"OEM Carrier Furnace Control Board IFC for UPFLOW080U4219 — HH680001","description":"\u003ch1\u003eOEM Carrier Furnace Circuit Board (IFC) for Model UPFLOW080U4219 — Part HH680001\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier integrated furnace control (IFC) board, factory part number \u003cstrong\u003eHH680001\u003c\/strong\u003e, designed as the direct replacement for the \u003cstrong\u003eCarrier UPFLOW080U4219\u003c\/strong\u003e gas furnace. The control board is the command center of your heating system — it orchestrates the ignition sequence, manages inducer and blower fan timing, monitors all safety-circuit inputs, and communicates fault codes via onboard diagnostic LEDs. When this board fails, symptoms range from a completely unresponsive system and persistent lockout codes to erratic short-cycling, failed ignition attempts, or a blower that runs continuously without heat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HH680001 | Also replaces legacy cross-references 58GA680087, P771-1003, 75598, and 58GA75598\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine factory OEM board — not a universal aftermarket substitute. OEM boards are pre-programmed to the exact timing, staging, and safety parameters required by Carrier UPFLOW080U4219 furnaces, ensuring full compatibility with all connected safeties, sensors, and thermostats without field reprogramming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Board replacement involves disconnecting 120V line-voltage wiring harnesses, low-voltage thermostat leads, and multiple safety-circuit terminals. Photograph all wiring before removal. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, multimeter for input voltage verification, and ESD wrist strap recommended to protect onboard electronics. We strongly recommend a licensed HVAC technician perform this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty against defects in materials and workmanship. Ships same business day from our warehouse when ordered by 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the Carrier \u003cstrong\u003eUPFLOW080U4219\u003c\/strong\u003e upflow gas furnace. Verify your unit's model and serial data plate before ordering. Cross-reference part numbers 58GA680087, P771-1003, 75598, and 58GA75598 are confirmed replacements. Not sure it fits? Our HVAC parts specialists verify fitment before you order — contact us today and we'll get your furnace back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640243310963,"sku":"CARRIE-UPFLOW080U4219-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640243343731,"sku":"CARRIE-UPFLOW080U4219-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_88bbd0fd-adc2-4429-a588-e0db647a16f8.jpg?v=1775031417"},{"product_id":"carrier-upflow080u36w19-control-board-167b2b","title":"OEM Carrier Control Board HH680001 for UPFLOW080U36W19","description":"\u003ch1\u003eOEM Carrier Furnace Control Board HH680001 for Model UPFLOW080U36W19\u003c\/h1\u003e\u003cp\u003eThe \u003cstrong\u003eCarrier HH680001 circuit board\u003c\/strong\u003e is the factory-specified integrated furnace control (IFC) replacement for the \u003cstrong\u003eUPFLOW080U36W19\u003c\/strong\u003e upflow gas furnace. This board serves as the central command hub of your heating system — sequencing ignition, managing inducer and blower motor operation, monitoring safety limits, and processing thermostat signals. When the control board fails, symptoms typically include hard lockouts with no ignition attempt, erratic or intermittent heating cycles, unresponsive thermostat calls, or fault codes that cannot be cleared by resetting the system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Specs:\u003c\/strong\u003e OEM Carrier part number \u003cstrong\u003eHH680001\u003c\/strong\u003e | Also supersedes P771-1003, 58GA680087, 58GA75598, and 75598 | Factory-matched for UPFLOW080U36W19 80% AFUE upflow furnace configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier board — not an aftermarket substitute. OEM boards carry pre-programmed timing sequences, proprietary diagnostic fault codes, and exact connector configurations matched to your furnace wiring harness. Generic boards may require field modifications and often void remaining equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires shutting off gas supply and 120V power, photographing all wire terminal connections before removal, and careful ESD (electrostatic discharge) handling. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, phone\/camera for wiring documentation, and a multimeter for pre\/post verification. Professional installation strongly recommended for this part category.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff. Cross-references: P771-1003 | 58GA680087 | 58GA75598 | 75598.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the Carrier \u003cstrong\u003eUPFLOW080U36W19\u003c\/strong\u003e upflow 80% gas furnace. Verify your unit's data plate part number against HH680001 and its known superseded part numbers before ordering. If you are unsure of fitment, our parts verification team confirms compatibility before your order ships — contact us today and get your furnace back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640243376499,"sku":"CARRIE-UPFLOW080U36W19-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640243409267,"sku":"CARRIE-UPFLOW080U36W19-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_fb6f82d6-f725-40bd-a784-d91eb8a8025e.jpg?v=1775025291"},{"product_id":"carrier-u19x175u60b-control-board-167b2b","title":"OEM Carrier Circuit Board Control Board for U19X175U60B — HH680001","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model U19X175U60B\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier U19X175U60B\u003c\/strong\u003e. The control board serves as the central command center of your HVAC system — it orchestrates power delivery to the inducer motor, igniter, gas valve, blower motor, and all safety switches. When this board fails, symptoms include a system that won't power on, repeated lockout fault codes, erratic cycling, or individual components that stop responding despite receiving 24V signals. A faulty board is often the last diagnosis after other components have been ruled out.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Also replaces: 58GA680087, P771-1003, 75598, 58GA75598 | Genuine Carrier factory-original board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier board — not an aftermarket clone. OEM boards are factory-programmed with the exact timing sequences, fault logic, and component tolerances required for the U19X175U60B. Aftermarket boards risk mistimed ignition sequences, false lockouts, and voided equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Disconnect power at the breaker and confirm 0V before touching any terminals. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, phone\/camera to photograph all wiring connections before removal. A multimeter is strongly recommended to confirm 24V control circuit integrity before condemning the board. Professional installation is advised.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eU19X175U60B\u003c\/strong\u003e. Cross-references include legacy part numbers 58GA680087, P771-1003, 75598, and 58GA75598 — verify your existing board's part number against these before ordering. Not sure it fits? Our HVAC parts specialists verify fitment at no charge before you buy. Order today for same-day dispatch.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640245473651,"sku":"CARRIE-U19X175U60B-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640245506419,"sku":"CARRIE-U19X175U60B-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_51b7aa62-3f23-4a48-b6c0-ffa00f5183cc.jpg?v=1775018457"},{"product_id":"carrier-u19x175u60a-control-board-167b2b","title":"OEM Carrier Circuit Board Control Board for U19X175U60A — HH680001","description":"\u003ch1\u003eOEM Carrier HH680001 Circuit Board for Model U19X175U60A\u003c\/h1\u003e\u003cp\u003eThe \u003cstrong\u003eCarrier HH680001 Circuit Board\u003c\/strong\u003e is the factory OEM control board for the \u003cstrong\u003eCarrier U19X175U60A\u003c\/strong\u003e system. Acting as the central command center of your HVAC unit, this board orchestrates every critical function — from thermostat signal interpretation and ignition sequencing to blower fan timing and safety circuit monitoring. When the control board fails, you may experience complete system shutdown, inconsistent operation, erratic cycling, or a unit that won't respond to the thermostat at all. Replacing it with the correct OEM part ensures factory-matched performance and eliminates guesswork.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Number HH680001 | Carrier-factory engineered circuit board | Direct plug-and-play replacement for U19X175U60A | All input\/output configurations factory-matched\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not an aftermarket substitute. Generic boards can introduce timing mismatches, false fault codes, and premature failures. OEM guarantees exact compatibility with your system's safety and sequencing logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires shutting off power at the disconnect and breaker before work begins. Photograph all wire connections before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone\/camera for wiring documentation, multimeter for confirmation. Professional installation is strongly recommended to protect system warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock orders ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct OEM replacement circuit board for the \u003cstrong\u003eCarrier U19X175U60A\u003c\/strong\u003e. Always cross-reference the part number on your existing board's label before ordering to confirm fitment. Have questions about compatibility? Our HVAC parts specialists verify fitment before you buy — contact us before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640245670259,"sku":"CARRIE-U19X175U60A-CONTROL_BOARD-HH680001","price":499.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640245703027,"sku":"CARRIE-U19X175U60A-CONTROL_BOARD-HH680001-GEN","price":439.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001.jpg?v=1775018454"},{"product_id":"carrier-u19x150u60b-control-board-167b2b","title":"OEM Carrier Control Board Circuit Board for U19X150U60B — HH680001","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model U19X150U60B\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier U19X150U60B\u003c\/strong\u003e unit. The control board is the operational nerve center of your HVAC system — it sequences every major function including ignition staging, blower motor operation, safety circuit monitoring, and fault code diagnostics. When this board fails, the system may exhibit no-heat lockout, fail to initiate a heating cycle, short-cycle unexpectedly, or display fault codes with no other identifiable cause. Before replacing, always rule out more commonly failed components such as the flame sensor, pressure switch, and transformer.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Also replaces: 58GA680087, P771-1003, 75598, 58GA75598 — factory-identical specification, no modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier-manufactured board with factory-programmed logic, matched timing sequences, and certified tolerance levels. Aftermarket boards may not replicate proprietary firmware or safety lockout behavior, risking system damage or voided equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage wiring harnesses, photographing or labeling all connectors before removal, and careful ESD handling. Tools needed: Phillips and flat-head screwdrivers, needle-nose pliers, multimeter. Professional installation strongly recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse — don't let a failed board leave your system down overnight.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Directly fits Carrier model \u003cstrong\u003eU19X150U60B\u003c\/strong\u003e. Verify your existing board's part number on the board label before ordering. Questions about fitment? Our HVAC parts specialists confirm compatibility before every order — call or chat us today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640245866867,"sku":"CARRIE-U19X150U60B-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640245899635,"sku":"CARRIE-U19X150U60B-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_f6440ca4-b5b6-4bad-97e5-f196fd90b234.jpg?v=1775023067"},{"product_id":"carrier-u19x150u60a-control-board-167b2b","title":"OEM Carrier Circuit Control Board HH680001 for U19X150U60A","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model U19X150U60A\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory replacement circuit control board for the \u003cstrong\u003eCarrier U19X150U60A\u003c\/strong\u003e. The control board serves as the central command hub of your HVAC system, orchestrating power distribution to all downstream components including the blower motor, inducer, igniter, and gas valve. When this board fails, symptoms typically include the system not starting at all, repeated lockout fault codes, intermittent or erratic operation, or components that energize out of sequence. Replacing it with the factory-matched OEM board — not a generic substitute — ensures proper timing, fault detection, and compatibility with all connected components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Also supersedes 58GA680087, P771-1003, 58GA75598, and 0118-2187 — confirm your original part number before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board manufactured to exact factory specifications. Aftermarket boards often lack proper fault-code logic, may use lower-grade capacitors and relays, and can introduce new failure modes. For a high-value component like a control board, OEM is always the right call.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires disconnecting and reconnecting multiple low- and high-voltage harnesses. Tools needed: Philips and flathead screwdrivers, needle-nose pliers, multimeter, smartphone or camera to photograph all wiring before removal. Disconnect power at the breaker and verify zero voltage before proceeding. Professional installation recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the factory-specified circuit control board replacement for \u003cstrong\u003eCarrier model U19X150U60A\u003c\/strong\u003e. Always verify the part number on your existing board's label before ordering to confirm fitment. Our team is available to verify compatibility before you purchase — just reach out. \u003cstrong\u003eOrder now and ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640246063475,"sku":"CARRIE-U19X150U60A-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640246096243,"sku":"CARRIE-U19X150U60A-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_b9e63b9a-f2aa-4e73-a3b8-b31b388aafc9.jpg?v=1775018479"},{"product_id":"carrier-u19x125u60b-control-board-167b2b","title":"OEM Carrier Circuit Board Control Board HH680001 — U19X125U60B","description":"\u003ch1\u003eOEM Carrier Circuit Board HH680001 for Model U19X125U60B\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM replacement circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e) factory-specified for the \u003cstrong\u003eCarrier U19X125U60B\u003c\/strong\u003e. The integrated circuit board (IFC) serves as the central command hub of your HVAC system — it sequences the inducer motor, gas valve, igniter, blower, and all safety controls in a precise, timed operation. When this board fails, symptoms typically include system lockout with no heat output, erratic or intermittent operation, persistent fault codes on the LED diagnostic display, or a unit that simply will not respond to thermostat calls. Before replacing the board, verify that all safety switches, wiring harnesses, and fuses are intact — a shorted downstream component can take out a new board quickly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Also supersedes: 58GA680087, P771-1003, 58GA75598, 75598\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — factory-programmed with exact timing sequences, fault diagnostics, and safety lockout logic specific to your unit. Aftermarket boards often lack model-specific programming, leading to nuisance lockouts or unsafe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Requires disconnection of multiple wire harnesses, JST connectors, and low-voltage control wiring. Tools needed: 1\/4\" nut driver, needle-nose pliers, phone camera (photograph all wiring before removal), and a multimeter to verify 24V control voltage before condemning the board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the factory-matched replacement for \u003cstrong\u003eCarrier model U19X125U60B\u003c\/strong\u003e. Cross-references confirmed against superseded part numbers 58GA680087, P771-1003, and 58GA75598 — verify your existing board's part number against the data plate before ordering. Need help confirming fitment? Our team is standing by to verify compatibility before you purchase.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640246718835,"sku":"CARRIE-U19X125U60B-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640246751603,"sku":"CARRIE-U19X125U60B-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_40f4cded-0ecb-4ffc-9d67-b3c3e4080cd9.jpg?v=1775018463"},{"product_id":"carrier-u19x125u60a-control-board-167b2b","title":"OEM Carrier Control Board for U19X125U60A HVAC System","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Control Board for U19X125U60A HVAC System\u003c\/h1\u003e\n\u003cp\u003eThe control board (integrated furnace\/unit control) in your Carrier U19X125U60A is the brain of the system — it sequences ignition, runs the blower and inducer relays, reads the flame sensor and limit\/pressure switches, and enforces safety lockouts. When the board fails you'll see no response from the thermostat, a blower or inducer that won't start, ignition that never initiates, a furnace stuck in lockout, or diagnostic LED fault codes flashing on the board. Scorched relays, blown traces, or a tripped onboard fuse are common visible signs.\n\nThis OEM-grade control board is matched to the original Carrier firmware logic, relay count, and connector layout for this model, so the ignition sequence, blower timings, and safety interlocks behave exactly as designed. Compatibility is critical — confirm the board's part number and pin\/connector configuration against your existing board before ordering, since revisions vary across model runs.\n\nWhy OEM matters for a control board: aftermarket or \"universal\" boards often approximate timings and relay ratings, leading to mis-sequenced ignition, chattering relays, nuisance lockouts, or relays undersized for the blower load that pit and fail early. An exact-match OEM board preserves the factory safety logic that protects the heat exchanger and gas valve.\n\nInstall difficulty: 4\/5. Tools: 1\/4\" nut driver, multimeter, and a phone to photograph wiring before disconnecting. #1 safety warning — kill the breaker to the unit before touching the board; line voltage is present on the relays, and a live board can deliver a dangerous shock.\n\nShips same business day from our stocked warehouse on orders before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model U19X125U60A. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640246849907,"sku":"CARRIE-U19X125U60A-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640246882675,"sku":"CARRIE-U19X125U60A-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_9ea41f05-7cac-4c1a-bfff-f0d0f3567638.jpg?v=1775025260"},{"product_id":"carrier-u19x125u48b-control-board-167b2b","title":"OEM Carrier Control Board Circuit Board HH680001 — U19X125U48B","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model U19X125U48B\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM replacement circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e) for the Carrier \u003cstrong\u003eU19X125U48B\u003c\/strong\u003e. The control board serves as the central command center of your HVAC system — managing power sequencing, safety circuit monitoring, ignition coordination, blower timing, and communication between all major components. When this board fails, symptoms typically include complete system lockout, intermittent no-heat or no-cool conditions, erratic component cycling, or flashing fault codes that cannot be cleared by resetting the system. Do not overlook this part — a failed control board can mimic the symptoms of nearly every other component on the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HH680001 | Also replaces: 58GA680087, P771-1003, 58GA75598, 75598 — all factory-equivalent superseded part numbers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not a remanufactured or third-party clone. OEM boards are factory-programmed and tested to exact tolerances, ensuring correct fault code behavior, safe ignition sequencing, and long-term reliability that aftermarket boards cannot guarantee.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires shutting off power at the breaker and disconnecting all wiring harnesses. Photograph all connector positions and wire routing before disassembly. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, a multimeter for pre- and post-installation verification. A qualified HVAC technician is strongly recommended for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against manufacturer defects. Ships same business day from our NationalHVACParts.com warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the factory-specified circuit board for Carrier model \u003cstrong\u003eU19X125U48B\u003c\/strong\u003e. Always verify your existing board's part number and any date or revision codes on your unit's data plate before ordering. Our parts specialists are available to confirm fitment — reach out before you buy for complete peace of mind. \u003cstrong\u003eOrder today and we'll ship the same business day.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640246980979,"sku":"CARRIE-U19X125U48B-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640247013747,"sku":"CARRIE-U19X125U48B-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_0578fd8f-cba7-48e5-995d-c481c8a3d9ca.jpg?v=1775023083"},{"product_id":"carrier-u19x125u48a-control-board-167b2b","title":"OEM Carrier Control Board for U19X125U48A HVAC System","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Control Board for U19X125U48A HVAC System\u003c\/h1\u003e\n\u003cp\u003eThe control board (integrated control module) in your Carrier U19X125U48A coordinates the entire heating and air-handling sequence — it fires the igniter, drives the inducer and blower relays, monitors the flame sensor and limit\/pressure switches, and locks the system out when a safety is violated. A failed board typically presents as a dead thermostat, no ignition, a blower or inducer that won't energize, the unit hanging in lockout, or fault-code LEDs blinking on the board itself. Burnt relay contacts, cracked solder traces, or a popped onboard fuse are frequent culprits.\n\nThis OEM-grade control board matches the original Carrier firmware logic, relay count, and connector pinout for this model, ensuring ignition timing, blower-off delays, and safety interlocks operate exactly as the engineers intended. Because board revisions differ across production runs, verify the part number and connector layout against your current board before ordering.\n\nWhy OEM matters for a control board: generic or universal replacements only approximate the factory timings and often use relays underrated for the blower's locked-rotor inrush — those contacts pit and weld over time, while mis-sequenced ignition can overheat the heat exchanger. An exact-match OEM board keeps the original safety logic and component ratings intact.\n\nInstall difficulty: 4\/5. Tools: 1\/4\" nut driver, multimeter, and a camera to document every wire before removal. #1 safety warning — shut off the breaker to the unit before servicing the board; line-voltage relays are live and can deliver a lethal shock even when the thermostat is off.\n\nShips same business day from our stocked warehouse on orders before 3 PM CST. Covered by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model U19X125U48A. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640247112051,"sku":"CARRIE-U19X125U48A-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640247144819,"sku":"CARRIE-U19X125U48A-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_01f47832-63fb-4361-a673-81b1657aef22.jpg?v=1775025257"},{"product_id":"carrier-u19x100u48b-control-board-167b2b","title":"OEM Carrier Circuit Control Board HH680001 for U19X100U48B","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model U19X100U48B\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM circuit control board for the \u003cstrong\u003eCarrier U19X100U48B\u003c\/strong\u003e, factory part number \u003cstrong\u003eHH680001\u003c\/strong\u003e. The control board serves as the central command hub of your HVAC system — orchestrating all critical functions including ignition sequencing, blower operation, inducer control, limit switch monitoring, and fault code diagnostics. When this board fails, symptoms typically include a complete system shutdown or lockout, erratic cycling, unresponsive thermostat calls, or a unit that powers on but fails to progress through the ignition sequence. Replacing a faulty board with the exact OEM part restores factory-programmed logic and timing, avoiding the compatibility risks that come with aftermarket substitutes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Carrier OEM Part #HH680001 | Also replaces: 58GA680087, P771-1003, 75598, 58GA75598 | Factory-matched firmware and terminal layout for model U19X100U48B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not a third-party clone. Aftermarket control boards often use different relay ratings, timing sequences, and terminal configurations that can cause intermittent faults, voided warranties, or premature failure of connected components such as the inducer motor and gas valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage wiring harnesses. Tools needed: 1\/4\" nut driver, needle-nose pliers, phone\/camera to photograph all connectors before removal. Always power down and lock out the unit at the breaker before beginning. It is strongly recommended that this repair be performed or verified by a licensed HVAC technician.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct OEM replacement control board for Carrier model \u003cstrong\u003eU19X100U48B\u003c\/strong\u003e. Cross-references part numbers 58GA680087, P771-1003, 75598, and 58GA75598 — verify your existing board's part number against your unit's data plate before ordering. Have a fitment question? Our HVAC parts specialists confirm compatibility before you buy — contact us today and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640247439731,"sku":"CARRIE-U19X100U48B-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640247472499,"sku":"CARRIE-U19X100U48B-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_72539f2e-6682-4b92-bb48-21f9138e5b1c.jpg?v=1775018476"},{"product_id":"carrier-u19x100u48a-control-board-167b2b","title":"OEM Carrier Integrated Furnace Control Board for U19X100U48A","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Integrated Furnace Control Board for U19X100U48A\u003c\/h1\u003e\n\u003cp\u003eThe integrated furnace control board is the brain of your Carrier unit, coordinating the ignition sequence, inducer draft motor, gas valve, and blower based on thermostat calls and feedback from the limit and flame-sense safeties. When it starts to fail, the symptoms are hard to miss: the furnace short-cycles, the blower runs nonstop or never starts, you get no response to a heat call, or the system fires for a few seconds and then locks out. A flashing diagnostic LED throwing a limit or flame fault while those parts test good usually points straight back to a tired board.\n\nThis OEM board ships with the full onboard relay complement — inducer, gas valve, and the 120 VAC heat\/cool blower taps — plus the exact line- and low-voltage terminal strip that matches the U19X100U48A wiring harness. It is pre-flashed with the correct ignition timing, flame-sense threshold, and soft-lockout logic for this furnace, programming a universal board simply cannot replicate. The control circuit runs 24 VAC with 120 VAC line input.\n\nWhy OEM matters here: a generic board may physically mount but run different relay ratings and timing, causing nuisance lockouts, premature relay welding, or an inducer that drops out mid-cycle. Matched firmware protects the gas valve and igniter from mistimed energizing that shortens their life.\n\nInstall difficulty: 3 of 5. You'll need a 1\/4\" nut driver, a #2 Phillips, needle-nose pliers, and a multimeter; photograph the wiring first. Safety first — kill the furnace breaker and confirm zero voltage before disconnecting anything; the board carries line voltage.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model U19X100U48A. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640247570803,"sku":"CARRIE-U19X100U48A-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640247603571,"sku":"CARRIE-U19X100U48A-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_b1b46640-4d96-40c6-a728-5890b9dad07d.jpg?v=1775025255"},{"product_id":"carrier-u19x100u36b-control-board-167b2b","title":"OEM Carrier Circuit Control Board HH680001 for U19X100U36B","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model U19X100U36B\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM replacement circuit board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier U19X100U36B\u003c\/strong\u003e. The control board is the central command hub of your HVAC system — it orchestrates power distribution to every major component including the inducer motor, gas valve, igniter, blower motor, and flame sensor circuit. When this board fails, symptoms typically include a system that won't start, gets stuck in lockout mode, fires erratically, or shuts down immediately after ignition without an obvious mechanical cause. Before replacing the board, rule out simpler faults such as a tripped limit switch, failed igniter, or dirty flame sensor.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Also replaces legacy part numbers 58GA680087, P771-1003, 75598, and 58GA75598 — verify your existing board's part number before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a factory-genuine Carrier board, not an aftermarket clone. OEM boards carry factory-calibrated firmware, correct terminal layouts, and are tested to Carrier's specifications — generic boards may introduce timing mismatches, nuisance lockouts, or voided equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires disconnecting and reconnecting multiple low- and line-voltage wiring harnesses. Photograph all wiring connections before removal. Tools needed: Phillips-head screwdriver, flathead screwdriver, needle-nose pliers, multimeter. Recommended for qualified HVAC technicians only; improper wiring can cause equipment damage or safety hazards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the factory-specified control board for \u003cstrong\u003eCarrier model U19X100U36B\u003c\/strong\u003e. Always verify your existing part number and match it to HH680001 before ordering. Questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — contact us today and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640248160627,"sku":"CARRIE-U19X100U36B-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640248193395,"sku":"CARRIE-U19X100U36B-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_9cf76223-2cc6-4383-be1d-04b3ff06d082.jpg?v=1775018472"},{"product_id":"carrier-u19x080uw36b-control-board-167b2b","title":"OEM Carrier Integrated Furnace Control Board for U19X080UW36B","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Integrated Furnace Control Board for U19X080UW36B\u003c\/h1\u003e\n\u003cp\u003eThe integrated furnace control board is the command center of your Carrier furnace, orchestrating the ignition sequence, inducer draft motor, gas valve, and blower based on thermostat demand and feedback from the limit and flame-sense safeties. As it fails, the signs are unmistakable: short-cycling, a blower that runs nonstop or won't engage, no response to a heat call, or a unit that ignites briefly and then drops into lockout. A flashing diagnostic LED logging a limit or flame fault while those parts test good is the classic symptom of a failing board.\n\nThis OEM board includes the full onboard relay complement — inducer, gas valve, and 120 VAC heat\/cool blower taps — and the exact line- and low-voltage terminal strip that mates to the U19X080UW36B wiring harness. It comes pre-flashed with the correct ignition timing, flame-sense threshold, and soft-lockout logic for this model, programming a universal board cannot match. The control circuit runs 24 VAC against a 120 VAC line input.\n\nWhy OEM matters here: a generic board might mount up but operate on different relay ratings and timing, producing nuisance lockouts, prematurely welded relays, or an inducer that drops out mid-cycle. Matched firmware shields the gas valve and igniter from mistimed energizing that erodes their lifespan.\n\nInstall difficulty: 3 of 5. You'll want a 1\/4\" nut driver, a #2 Phillips, needle-nose pliers, and a multimeter, and a photo of the wiring before removal. Safety first — cut the furnace breaker and confirm zero voltage before disconnecting any leads; the board is energized at line voltage.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model U19X080UW36B. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640248652147,"sku":"CARRIE-U19X080UW36B-CONTROL_BOARD-HH680001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640248684915,"sku":"CARRIE-U19X080UW36B-CONTROL_BOARD-HH680001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_d352ed2e-a10a-47b6-8214-7f7e3a31f385.jpg?v=1775025250"},{"product_id":"carrier-u19x080uw36a-control-board-167b2b","title":"OEM Carrier Control Board Circuit Board HH680001 for U19X080UW36A","description":"\u003ch1\u003eOEM Carrier Circuit Control Board HH680001 for Model U19X080UW36A\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory replacement control board (part number \u003cstrong\u003eHH680001\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier U19X080UW36A\u003c\/strong\u003e furnace. The integrated furnace control (IFC) board is the central brain of your heating system — it sequences the inducer motor, hot surface igniter, gas valve, and blower fan in the correct firing order while continuously monitoring safety inputs from limit switches and pressure switches. When this board fails, you may experience a complete no-heat condition, a furnace stuck in lockout, intermittent cycling, or error codes flashing on the diagnostic LED. Because the board orchestrates every stage of the heating cycle, a fault here can mimic symptoms of other failed components — always verify the board is truly the cause before replacing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH680001 | Also replaces legacy part numbers 58GA680087, P771-1003, 75598, and 58GA75598 — confirms backward compatibility across production runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier factory OEM board, not an aftermarket substitute. OEM boards carry factory-matched firmware, relay ratings, and terminal layouts, eliminating the risk of mismatched sequencing or false fault codes that aftermarket boards can introduce.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — High-voltage and low-voltage wiring are both present. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone\/camera for wiring documentation, and a multimeter. Label and photograph every connector before disconnecting. Turn off power and gas at the unit before beginning. Recommended for qualified HVAC technicians.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct factory replacement for \u003cstrong\u003eCarrier model U19X080UW36A\u003c\/strong\u003e. Always cross-reference your unit's data plate part number before ordering to confirm fitment — especially on units that may have had prior board revisions. Need help verifying? Our HVAC parts specialists confirm fitment before you buy. \u003cstrong\u003eOrder now for same-day shipping.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640248783219,"sku":"CARRIE-U19X080UW36A-CONTROL_BOARD-HH680001","price":865.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640248815987,"sku":"CARRIE-U19X080UW36A-CONTROL_BOARD-HH680001-GEN","price":761.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH680001_c7684abd-a53f-4626-99eb-bf26b58fbf9f.jpg?v=1775023080"},{"product_id":"carrier-tjaccycrecomzr008c00-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TJACCYCRECOMZR008","description":"\u003ch1\u003eOEM Carrier Economizer Control Board Kit HH63AW001 for Model TJACCYCRECOMZR008C00\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement \u003cstrong\u003eEconomizer Control Board Kit\u003c\/strong\u003e (Part No. \u003cstrong\u003eHH63AW001\u003c\/strong\u003e) engineered specifically for the \u003cstrong\u003eCarrier TJACCYCRECOMZR008C00\u003c\/strong\u003e commercial rooftop unit. The economizer control board manages the automated outside-air damper sequencing, free-cooling logic, demand-controlled ventilation signals, and fault diagnostics for your unit's economizer assembly. When this board fails, you may experience erratic damper behavior, a damper stuck fully open or closed, free-cooling lockout, fault codes on the unit controller, or a complete loss of economizer function — all of which directly impact energy efficiency, occupant comfort, and code compliance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Kit Part No. HH63AW001 | Factory-matched control logic for Carrier TJACCYCRECOMZR008C00 | Includes board and required mounting\/wiring hardware | 24V control circuit compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not an aftermarket substitute. OEM boards carry factory-programmed firmware and calibrated sensor thresholds. Generic boards risk mis-sequencing damper travel, triggering nuisance faults, or voiding unit warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Recommended for qualified HVAC technicians. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and laptop\/tablet for any required controller re-pairing. Always de-energize the unit at the disconnect before servicing. Photograph all wiring harness connections prior to removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In-stock units ship same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-specified for the \u003cstrong\u003eCarrier TJACCYCRECOMZR008C00\u003c\/strong\u003e commercial packaged rooftop unit economizer assembly. Always cross-reference the part number on your existing board's label and your unit's wiring diagram before ordering. Our HVAC parts specialists are available to verify fitment — contact us before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640251732339,"sku":"CARRIE-TJACCYCRECOMZR008C00-CONTROL_BOARD-HH63AW001","price":193.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640251765107,"sku":"CARRIE-TJACCYCRECOMZR008C00-CONTROL_BOARD-HH63AW001-GEN","price":170.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_464cfbea-011b-45c7-ad6a-d8c1f85a3984.jpg?v=1775029056"},{"product_id":"carrier-tjaccy50tj401153-control-board-11kz9v","title":"OEM Carrier Integrated Furnace Control Board for TJACCY50TJ401153","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Integrated Furnace Control Board for TJACCY50TJ401153\u003c\/h1\u003e\n\u003cp\u003eThe integrated control board is the brain of your Carrier unit, sequencing ignition, the inducer draft motor, the gas valve, and the blower based on thermostat calls and feedback from the limit and flame-sense safeties. When it fails, the symptoms are unmistakable: short-cycling, a blower that runs nonstop or never starts, no response to a heat call, or a unit that fires for a few seconds and then locks out. A blinking diagnostic LED reporting a limit or flame fault while those parts test good is the textbook sign of a failing board.\n\nThis OEM board carries the full onboard relay complement — inducer, gas valve, and the 120 VAC heat\/cool blower taps — plus the exact line- and low-voltage terminal strip that matches the TJACCY50TJ401153 wiring harness. It ships pre-flashed with the correct ignition timing, flame-sense threshold, and soft-lockout logic for this model, programming a universal board cannot reproduce. The control circuit runs 24 VAC with a 120 VAC line input.\n\nWhy OEM matters here: a generic board may bolt in but operate on different relay ratings and timing, causing nuisance lockouts, welded relay contacts, or an inducer that drops out mid-cycle. Factory firmware protects the gas valve and igniter from mistimed energizing that shortens their life.\n\nInstall difficulty: 3 of 5. You'll need a 1\/4\" nut driver, a #2 Phillips, needle-nose pliers, and a multimeter; photograph the wiring before removal. Safety first — kill the breaker and confirm zero voltage before disconnecting anything; the board carries line voltage.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model TJACCY50TJ401153. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640251863411,"sku":"CARRIE-TJACCY50TJ401153-CONTROL_BOARD-HH63AW001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640251896179,"sku":"CARRIE-TJACCY50TJ401153-CONTROL_BOARD-HH63AW001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_02178d7c-7771-4da7-b086-7e7e54980d95.jpg?v=1775025247"},{"product_id":"carrier-tfaccycrecomzr025a02-control-board-11kz9v","title":"OEM Carrier Control Board Replacement for TFACCYCRECOMZR025A02","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for TFACCYCRECOMZR025A02\u003c\/h1\u003e\n\u003cp\u003eThe integrated furnace control board is the brain of your Carrier system. It sequences ignition, monitors the safety circuit (limit switches, pressure switch, flame sensor), times the inducer and blower, and relays 24V calls between the thermostat and the high-voltage components. When the board fails the behavior turns erratic: the furnace ignores the thermostat, the blower runs nonstop or never starts, you get random lockouts, or a diagnostic LED throws a hard fault or goes dark. Scorched relays, a burnt smell, or cracked solder joints on the board confirm it.\n\nThis is the OEM integrated control board specified for model TFACCYCRECOMZR025A02, carrying the correct relay complement (typically heat, cool, and blower relays plus inducer control) and firmware matched to your unit's ignition sequence and staging. Board-to-furnace compatibility is exact — the wrong revision can mis-time ignition.\n\nWhy OEM matters: control boards are not generic. Aftermarket boards often use lower-rated relays that pit and weld under the inrush of the blower and inducer motors, and their generic firmware may not match your furnace's flame-rectification or timing logic, producing intermittent lockouts that are nearly impossible to diagnose. The OEM board drops in with the original timing and full-rated relays.\n\nInstallation difficulty: 3 of 5. Tools: 1\/4\" nut driver, needle-nose pliers, and a phone camera to photograph every wire before removal. #1 safety warning: kill the breaker to the furnace before touching the board — line voltage is present on the relay terminals — and move the wiring one lead at a time to avoid mis-pinning.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model TFACCYCRECOMZR025A02. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640254615923,"sku":"CARRIE-TFACCYCRECOMZR025A02-CONTROL_BOARD-HH63AW001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640254648691,"sku":"CARRIE-TFACCYCRECOMZR025A02-CONTROL_BOARD-HH63AW001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_6b67d51b-d90b-4486-b95b-9252c983572f.jpg?v=1775025245"},{"product_id":"carrier-tfaccycrecomzr024a02-control-board-11kz9v","title":"OEM Carrier Control Board Replacement for TFACCYCRECOMZR024A02","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for TFACCYCRECOMZR024A02\u003c\/h1\u003e\n\u003cp\u003eThe integrated control board is the command center of your Carrier furnace, orchestrating the entire heating cycle. It reads the thermostat, energizes the inducer, supervises the safety string (limit switches, pressure switch, flame sensor), times the igniter and gas valve, and switches the blower on and off through its onboard relays. A failing board shows itself through chaotic operation: the unit won't answer a call for heat, the blower runs continuously or not at all, ignition lockouts appear at random, and the diagnostic LED throws a hard fault or stays dark. Burnt relay contacts, a charred odor, or fractured solder joints are the visual proof.\n\nThis is the OEM integrated control board specified for model TFACCYCRECOMZR024A02, with the correct relay set (typically heat, cool, and blower relays plus inducer control) and firmware tuned to your furnace's ignition sequence and staging. Compatibility is revision-exact — the wrong board can mis-time the ignition cycle.\n\nWhy OEM matters: control boards are model-specific, not interchangeable. Aftermarket boards frequently use under-rated relays that pit and weld under blower and inducer inrush, and their substitute firmware may not match your unit's flame-rectification or timing logic, causing maddening intermittent lockouts. The genuine Carrier board installs with the factory timing and full-rated relays intact.\n\nInstallation difficulty: 3 of 5. Tools: 1\/4\" nut driver, needle-nose pliers, and a phone camera to document every wire before you disconnect anything. #1 safety warning: shut off the breaker to the furnace before touching the board — line voltage sits on the relay terminals — and transfer wires one lead at a time to prevent mis-pinning.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model TFACCYCRECOMZR024A02. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640254746995,"sku":"CARRIE-TFACCYCRECOMZR024A02-CONTROL_BOARD-HH63AW001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640254779763,"sku":"CARRIE-TFACCYCRECOMZR024A02-CONTROL_BOARD-HH63AW001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_bd308cd1-13c9-4b81-b13e-638080d72692.jpg?v=1775025242"},{"product_id":"carrier-tfaccycrecomzr021a03-control-board-11kz9v","title":"OEM Carrier Control Board Replacement for TFACCYCRECOMZR021A03","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for TFACCYCRECOMZR021A03\u003c\/h1\u003e\n\u003cp\u003eThe integrated furnace control board is the brain that runs every stage of your Carrier heating cycle. It interprets thermostat calls, drives the inducer, monitors the safety circuit (limit switches, pressure switch, flame sensor), times ignition and the gas valve, and toggles the blower through its onboard relays. When the board degrades the system behaves unpredictably: no response to the thermostat, a blower that runs forever or never starts, random ignition lockouts, and a diagnostic LED flashing a hard fault or going completely dark. Pitted relays, a burnt-electronics smell, or cracked solder traces confirm the failure.\n\nThis is the OEM integrated control board specified for model TFACCYCRECOMZR021A03, supplied with the correct relay complement (typically heat, cool, and blower relays plus inducer control) and firmware matched to your unit's ignition sequence and staging. The board must match the exact revision — an incorrect one can mis-time ignition.\n\nWhy OEM matters: control boards are engineered per model, not universal. Aftermarket boards commonly fit lower-rated relays that pit and weld under the inrush of the blower and inducer, and their generic firmware may not align with your furnace's flame-rectification or timing logic, creating intermittent lockouts that defy diagnosis. The OEM board restores factory timing with full-rated relays.\n\nInstallation difficulty: 3 of 5. Tools: 1\/4\" nut driver, needle-nose pliers, and a phone camera to photograph the wiring before removal. #1 safety warning: turn off the breaker to the furnace before touching the board — line voltage is live on the relay terminals — and reconnect the wiring one lead at a time to avoid mis-pinning.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model TFACCYCRECOMZR021A03. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640254845299,"sku":"CARRIE-TFACCYCRECOMZR021A03-CONTROL_BOARD-HH63AW001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640254878067,"sku":"CARRIE-TFACCYCRECOMZR021A03-CONTROL_BOARD-HH63AW001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_f97d424c-aa68-4f1d-a977-e23b8ab8a123.jpg?v=1775025239"},{"product_id":"carrier-tfaccycrecomzr021a02-control-board-11kz9v","title":"OEM Carrier Furnace Control Circuit Board for TFACCYCRECOMZR021A02","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Circuit Board for TFACCYCRECOMZR021A02\u003c\/h1\u003e\n\u003cp\u003eThe control board is the electronic brain of your Carrier unit, sequencing the ignition cycle, inducer draft motor, blower, and every safety lockout. It reads the thermostat call, verifies the pressure switch and limits, energizes the igniter and gas valve, and switches line voltage to the blower at the right moment. When it begins to fail, homeowners typically notice the system won't respond to the thermostat, the blower runs constantly or never starts, the unit short-cycles, or a diagnostic LED flashes a fault code. Intermittent no-heat calls, relays that chatter, and repeated nuisance lockouts are all classic signs of a board on its way out.\n\nThis is a microprocessor-based board carrying multiple onboard relays that drive the inducer, blower, and gas valve, plus integrated flame-sensing and a diagnostic LED. It runs on a 24VAC control circuit while switching 120\/240VAC line loads, and its connector pinout and firmware are specific to this Carrier assembly — it is not a universal board.\n\nChoosing OEM matters here because relay ratings and ignition timing are matched to your equipment. Generic or refurbished boards frequently use lower-rated relays that weld shut under blower inrush, or carry altered timing that causes nuisance lockouts and shortens the life of your igniter and inducer motor.\n\nInstallation difficulty: 2 of 5. Tools: a 1\/4\" nut driver, needle-nose pliers, and a phone camera to photograph the wiring before you disconnect anything. #1 safety warning: shut off the breaker and confirm 0 volts before touching the board — line voltage is present even with the thermostat off. Label every connector as you remove it.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model TFACCYCRECOMZR021A02. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640254943603,"sku":"CARRIE-TFACCYCRECOMZR021A02-CONTROL_BOARD-HH63AW001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640254976371,"sku":"CARRIE-TFACCYCRECOMZR021A02-CONTROL_BOARD-HH63AW001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_ee3db85f-b64a-450d-a620-10ed58f6ed38.jpg?v=1775025236"},{"product_id":"carrier-tfaccycrecomzr020a02-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TFACCYCRECOMZR020","description":"\u003ch1\u003eOEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TFACCYCRECOMZR020A02\u003c\/h1\u003e\u003cp\u003eThis is a genuine OEM Carrier Factory Authorized Parts replacement for the \u003cstrong\u003eCarrier TFACCYCRECOMZR020A02\u003c\/strong\u003e economizer assembly. The DCV (Demand-Controlled Ventilation) economizer control board serves as the intelligence center of the economizer module — continuously monitoring outdoor air enthalpy or dry-bulb conditions, staging damper actuators, and coordinating CO₂ or occupancy sensor inputs to maximize free cooling while minimizing mechanical cooling energy costs. When this board fails, you may experience a stuck-open or stuck-closed damper, loss of free-cooling mode, fault codes on your BAS or RTU controller, or complete economizer lockout.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part# HH63AW001 | Cross-reference: W7212A1017 | Input voltage: 120V \/ 60Hz | All inputs Class 2 | Dimensions approx. 4\" × 4\" × 2\" | Weight: 1 lb | Factory Authorized Parts — Carrier Corporation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part engineered to exact factory tolerances. Generic economizer boards often lack proper sensor calibration curves and enthalpy algorithm tuning, leading to improper damper staging, energy waste, and premature actuator wear. OEM is always the recommended choice for commercial RTU economizer applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Economizer board replacement requires familiarity with commercial rooftop unit wiring and Class 2 low-voltage circuits. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and wiring diagram (available in unit service manual). Always de-energize the unit at the disconnect before servicing. Photograph all wiring connections before removal. Sensor wiring polarity must be observed during reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. Ships same business day from our warehouse — get your economizer back online fast.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the \u003cstrong\u003eCarrier TFACCYCRECOMZR020A02\u003c\/strong\u003e economizer assembly. Also cross-references Honeywell\/Resideo W7212A1017. Verify your existing board's part number against HH63AW001 before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you buy if you have any questions. \u003cstrong\u003eOrder now and ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640255074675,"sku":"CARRIE-TFACCYCRECOMZR020A02-CONTROL_BOARD-HH63AW001","price":337.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640255107443,"sku":"CARRIE-TFACCYCRECOMZR020A02-CONTROL_BOARD-HH63AW001-GEN","price":297.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_ed29572b-0e47-4474-9fee-ddeee9cfd75e.jpg?v=1775029054"},{"product_id":"carrier-tfaccy50hj484266-control-board-11kz9v","title":"OEM Carrier Furnace Control Circuit Board for TFACCY50HJ484266","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Circuit Board for TFACCY50HJ484266\u003c\/h1\u003e\n\u003cp\u003eThe control board is the electronic brain of your Carrier unit, sequencing the ignition cycle, inducer draft motor, blower, and every safety lockout. It reads the thermostat call, verifies the pressure switch and limits, energizes the igniter and gas valve, and switches line voltage to the blower at the right moment. When it begins to fail, homeowners typically notice the system won't respond to the thermostat, the blower runs constantly or never starts, the unit short-cycles, or a diagnostic LED flashes a fault code. Intermittent no-heat calls, relays that chatter, and repeated nuisance lockouts are all classic signs of a board on its way out.\n\nThis is a microprocessor-based board carrying multiple onboard relays that drive the inducer, blower, and gas valve, plus integrated flame-sensing and a diagnostic LED. It runs on a 24VAC control circuit while switching 120\/240VAC line loads, and its connector pinout and firmware are specific to this Carrier assembly — it is not a universal board.\n\nChoosing OEM matters here because relay ratings and ignition timing are matched to your equipment. Generic or refurbished boards frequently use lower-rated relays that weld shut under blower inrush, or carry altered timing that causes nuisance lockouts and shortens the life of your igniter and inducer motor.\n\nInstallation difficulty: 2 of 5. Tools: a 1\/4\" nut driver, needle-nose pliers, and a phone camera to photograph the wiring before you disconnect anything. #1 safety warning: shut off the breaker and confirm 0 volts before touching the board — line voltage is present even with the thermostat off. Label every connector as you remove it.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model TFACCY50HJ484266. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640256090483,"sku":"CARRIE-TFACCY50HJ484266-CONTROL_BOARD-HH63AW001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640256123251,"sku":"CARRIE-TFACCY50HJ484266-CONTROL_BOARD-HH63AW001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_8e486351-f794-46f7-a0c1-ba359ebebad0.jpg?v=1775025234"},{"product_id":"carrier-tfaccy50hj484265-control-board-11kz9v","title":"OEM Carrier Furnace Control Circuit Board for TFACCY50HJ484265","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Circuit Board for TFACCY50HJ484265\u003c\/h1\u003e\n\u003cp\u003eThe control board is the electronic brain of your Carrier unit, sequencing the ignition cycle, inducer draft motor, blower, and every safety lockout. It reads the thermostat call, verifies the pressure switch and limits, energizes the igniter and gas valve, and switches line voltage to the blower at the right moment. When it begins to fail, homeowners typically notice the system won't respond to the thermostat, the blower runs constantly or never starts, the unit short-cycles, or a diagnostic LED flashes a fault code. Intermittent no-heat calls, relays that chatter, and repeated nuisance lockouts are all classic signs of a board on its way out.\n\nThis is a microprocessor-based board carrying multiple onboard relays that drive the inducer, blower, and gas valve, plus integrated flame-sensing and a diagnostic LED. It runs on a 24VAC control circuit while switching 120\/240VAC line loads, and its connector pinout and firmware are specific to this Carrier assembly — it is not a universal board.\n\nChoosing OEM matters here because relay ratings and ignition timing are matched to your equipment. Generic or refurbished boards frequently use lower-rated relays that weld shut under blower inrush, or carry altered timing that causes nuisance lockouts and shortens the life of your igniter and inducer motor.\n\nInstallation difficulty: 2 of 5. Tools: a 1\/4\" nut driver, needle-nose pliers, and a phone camera to photograph the wiring before you disconnect anything. #1 safety warning: shut off the breaker and confirm 0 volts before touching the board — line voltage is present even with the thermostat off. Label every connector as you remove it.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model TFACCY50HJ484265. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640256188787,"sku":"CARRIE-TFACCY50HJ484265-CONTROL_BOARD-HH63AW001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640256221555,"sku":"CARRIE-TFACCY50HJ484265-CONTROL_BOARD-HH63AW001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_995cde43-34a4-42ea-893f-69b9c9ca719f.jpg?v=1775025231"},{"product_id":"carrier-tfaccy50hj484264-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TFACCY50HJ484264","description":"\u003ch1\u003eOEM Carrier Economizer Control Board Kit HH63AW001 for Model TFACCY50HJ484264\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Economizer Control Board Kit (part number \u003cstrong\u003eHH63AW001\u003c\/strong\u003e), the exact replacement specified by Carrier for the \u003cstrong\u003eTFACCY50HJ484264\u003c\/strong\u003e packaged rooftop unit. The economizer control board manages outdoor air damper positioning, free-cooling logic, and ventilation sequencing. When this board fails, you may experience erratic damper behavior, loss of economizer function, HVAC system fault codes, or a complete inability to control outdoor air intake — all of which reduce unit efficiency and can trigger code violations in commercial applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Carrier Economizer Control Board Kit | Part No. HH63AW001 | Factory-matched control logic for TFACCY50HJ484264 rooftop unit | Manages damper actuator, free-cooling, and ventilation scheduling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not a third-party clone. OEM boards carry factory-programmed firmware and calibration. Generic aftermarket boards often require manual reconfiguration, may lack proper fault diagnostics, and can void your unit's remaining warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect and lock out power before beginning. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, multimeter, and a phone or camera to photograph all wiring harness positions before disconnection. Recommended for qualified HVAC\/R technicians familiar with commercial rooftop units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eTFACCY50HJ484264\u003c\/strong\u003e commercial packaged rooftop unit with economizer. Always verify your existing board's part number against HH63AW001 before ordering. Need fitment confirmation? Our HVAC parts team is available to verify compatibility before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640256287091,"sku":"CARRIE-TFACCY50HJ484264-CONTROL_BOARD-HH63AW001","price":200.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640256319859,"sku":"CARRIE-TFACCY50HJ484264-CONTROL_BOARD-HH63AW001-GEN","price":176.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_fea50bac-00a9-4eed-9b40-11e4212b156e.jpg?v=1775029051"},{"product_id":"carrier-tfaccy50hj484263-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TFACCY50HJ484263","description":"\u003ch1\u003eOEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TFACCY50HJ484263\u003c\/h1\u003e\u003cp\u003eThis is a genuine OEM Carrier Economizer Control Board Kit (part number \u003cstrong\u003eHH63AW001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier TFACCY50HJ484263\u003c\/strong\u003e commercial packaged rooftop unit. The economizer control board serves as the brain of the unit's demand-controlled ventilation (DCV) system — continuously monitoring outdoor air quality and enthalpy conditions, modulating the outdoor air damper, and coordinating free-cooling sequences to reduce mechanical cooling load. When this board fails, you may experience a stuck-open or stuck-closed damper, loss of free-cooling operation, DCV fault codes, or complete economizer lockout, all of which can trigger code compliance issues and spike energy costs in commercial settings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Carrier OEM Part# HH63AW001 | Cross-reference: W7212A1017 | Operating Voltage: 120V \/ 60Hz | Dimensions: approx. 4\" × 4\" × 2\" | Weight: 1 lb | Factory Authorized Part — direct drop-in replacement, no field modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory-authorized OEM board is pre-programmed with Carrier's exact DCV logic and enthalpy setpoints for the TFACCY50HJ484263 platform. Generic or aftermarket boards often require manual configuration, may lack DCV CO₂ sensor inputs, and can void remaining equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and a laptop or tablet for fault-code verification post-installation. Label all wiring harness connections before removal. Recommend a licensed commercial HVAC technician for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty on parts. Ships same business day from our warehouse in original Carrier factory packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct OEM replacement for Carrier model \u003cstrong\u003eTFACCY50HJ484263\u003c\/strong\u003e commercial rooftop units equipped with a DCV economizer. Cross-references Honeywell W7212A1017. Also fits select Bryant and Payne commercial RTU platforms — verify your unit's data plate and existing board part number before ordering. Our team is available to confirm fitment prior to purchase. \u003cstrong\u003eOrder now for same-day shipping — in stock and ready to go.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640256385395,"sku":"CARRIE-TFACCY50HJ484263-CONTROL_BOARD-HH63AW001","price":356.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640256418163,"sku":"CARRIE-TFACCY50HJ484263-CONTROL_BOARD-HH63AW001-GEN","price":313.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_8490c52a-ea31-469c-a5d2-25cecb485b8d.jpg?v=1775029048"},{"product_id":"carrier-tfaccy50hj484262-control-board-11kz9v","title":"OEM Carrier Furnace Control Circuit Board for TFACCY50HJ484262","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Furnace Control Circuit Board for TFACCY50HJ484262\u003c\/h1\u003e\n\u003cp\u003eThe control board is the electronic brain of your Carrier unit, sequencing the ignition cycle, inducer draft motor, blower, and every safety lockout. It reads the thermostat call, verifies the pressure switch and limits, energizes the igniter and gas valve, and switches line voltage to the blower at the right moment. When it begins to fail, homeowners typically notice the system won't respond to the thermostat, the blower runs constantly or never starts, the unit short-cycles, or a diagnostic LED flashes a fault code. Intermittent no-heat calls, relays that chatter, and repeated nuisance lockouts are all classic signs of a board on its way out.\n\nThis is a microprocessor-based board carrying multiple onboard relays that drive the inducer, blower, and gas valve, plus integrated flame-sensing and a diagnostic LED. It runs on a 24VAC control circuit while switching 120\/240VAC line loads, and its connector pinout and firmware are specific to this Carrier assembly — it is not a universal board.\n\nChoosing OEM matters here because relay ratings and ignition timing are matched to your equipment. Generic or refurbished boards frequently use lower-rated relays that weld shut under blower inrush, or carry altered timing that causes nuisance lockouts and shortens the life of your igniter and inducer motor.\n\nInstallation difficulty: 2 of 5. Tools: a 1\/4\" nut driver, needle-nose pliers, and a phone camera to photograph the wiring before you disconnect anything. #1 safety warning: shut off the breaker and confirm 0 volts before touching the board — line voltage is present even with the thermostat off. Label every connector as you remove it.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model TFACCY50HJ484262. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640256811379,"sku":"CARRIE-TFACCY50HJ484262-CONTROL_BOARD-HH63AW001","price":231.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640256844147,"sku":"CARRIE-TFACCY50HJ484262-CONTROL_BOARD-HH63AW001-GEN","price":203.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_d8390309-6858-46d6-b03a-5c8bc67ca504.jpg?v=1775025229"},{"product_id":"carrier-tfaccy50hj484261-control-board-11kz9v","title":"OEM Carrier DCV Economizer Control Board Kit HH63AW001 — TFACCY50HJ484","description":"\u003ch1\u003eOEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TFACCY50HJ484261\u003c\/h1\u003e\u003cp\u003eThis genuine OEM Carrier Economizer Control Board Kit (part #HH63AW001) is the factory-specified replacement for the \u003cstrong\u003eCarrier TFACCY50HJ484261\u003c\/strong\u003e commercial packaged rooftop unit. The economizer control board is the intelligent hub of the unit's demand-controlled ventilation (DCV) system — it continuously monitors outdoor air conditions and dynamically modulates the outdoor air damper to maximize free cooling, maintain indoor air quality compliance, and minimize mechanical cooling runtime. When this board fails, you may experience stuck damper positions, loss of DCV control, economizer fault codes, diminished indoor air quality, or significant increases in energy consumption as the system defaults to full mechanical cooling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 120V input | 60Hz | Board dimensions: 4\" × 4\" × 2\" | Weight: 1 lb | OEM Part #HH63AW001 | Cross-reference: W7212A1017 | Sold as complete kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier factory-authorized part engineered to exact DCV tolerances for the TFACCY50HJ484261 platform. Aftermarket substitutes may lack proper sensor calibration ranges and DCV logic firmware, risking non-compliance with ventilation codes and continued fault conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires shutting down and locking out the RTU before access. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, multimeter, and wiring diagram (available in unit service manual). Photograph all wiring connections before disconnection. Recommended for qualified HVAC\/R technicians familiar with commercial rooftop controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the Carrier \u003cstrong\u003eTFACCY50HJ484261\u003c\/strong\u003e commercial packaged rooftop unit. Cross-references with Honeywell W7212A1017 economizer controller. Always verify the part number on your existing board's label before ordering. Our HVAC parts specialists are available to confirm fitment — reach out before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640256942451,"sku":"CARRIE-TFACCY50HJ484261-CONTROL_BOARD-HH63AW001","price":337.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640256975219,"sku":"CARRIE-TFACCY50HJ484261-CONTROL_BOARD-HH63AW001-GEN","price":297.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_221f3ffc-c2b2-44c7-b000-b3676100d447.jpg?v=1775026265"},{"product_id":"carrier-tfaccy50hj484260-control-board-11kz9v","title":"OEM Carrier DCV Economizer Control Board Kit HH63AW001 — TFACCY50HJ484","description":"\u003ch1\u003eOEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TFACCY50HJ484260\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier Economizer Control Board Kit (part# \u003cstrong\u003eHH63AW001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier TFACCY50HJ484260\u003c\/strong\u003e commercial packaged rooftop unit. The DCV (Demand Controlled Ventilation) economizer control board serves as the intelligence center of the unit's economizer assembly — continuously monitoring outdoor air conditions, CO₂ levels, and enthalpy to optimize the blend of outside and return air. When this board fails, common symptoms include the economizer damper stuck open or closed, loss of demand-controlled ventilation, fault codes related to the economizer circuit, degraded indoor air quality, and increased energy consumption as the system can no longer take advantage of free-cooling conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH63AW001 | Cross-reference: W7212A1017 | Factory Authorized Carrier replacement part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 120V | 60Hz | DCV (Demand Controlled Ventilation) compatible | Dimensions approx. 4\" × 4\" × 2\" | Weight: 1 lb | All inputs Class 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier factory-authorized board engineered to exact tolerances for the TFACCY50HJ484260. OEM boards ensure proper DCV calibration, correct fault code communication, and full compatibility with the unit's integrated controls — critical for commercial applications where energy codes and IAQ compliance are mandatory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V control wiring and multiple sensor leads. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and wiring diagram. Always de-energize the unit at the disconnect before servicing. Photograph all wiring connections before removal. Professional installation recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM fit for the \u003cstrong\u003eCarrier TFACCY50HJ484260\u003c\/strong\u003e commercial rooftop packaged unit. Also cross-references W7212A1017. Verify your existing board's part number against HH63AW001 before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you purchase — contact us today and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640257040755,"sku":"CARRIE-TFACCY50HJ484260-CONTROL_BOARD-HH63AW001","price":368.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640257073523,"sku":"CARRIE-TFACCY50HJ484260-CONTROL_BOARD-HH63AW001-GEN","price":324.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_35fc06c9-a065-4d2b-b48e-b87a3343e4d7.jpg?v=1775026268"},{"product_id":"carrier-tfaccy48tm482637-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TFACCY48TM482637","description":"\u003ch1\u003eOEM Carrier Economizer Control Board Kit HH63AW001 for Model TFACCY48TM482637\u003c\/h1\u003e\u003cp\u003eThis is a genuine OEM Carrier Economizer Control Board Kit (part# \u003cstrong\u003eHH63AW001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier TFACCY48TM482637\u003c\/strong\u003e packaged rooftop unit. The economizer control board is the command center for your unit's demand-controlled ventilation (DCV) system — it continuously monitors indoor CO₂ levels and outdoor air conditions, modulating the economizer damper to optimize fresh air intake and reduce mechanical cooling load. When this board fails, common symptoms include stuck-open or stuck-closed dampers, DCV fault codes, erratic outdoor air percentages, or a complete economizer lockout that forces the unit into full mechanical cooling at all times.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Carrier OEM Part# HH63AW001 | DCV Economizer Control Board Kit | 120V \/ 60Hz | Cross-reference: W7212A1017 | Dimensions approx. 4\" × 4\" × 2\" | Weight: 1 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Factory Authorized Parts board built to exact Carrier tolerances. OEM boards ensure full compatibility with the unit's communication bus, sensor inputs, and damper actuator outputs — critical for accurate DCV operation and energy code compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Board replacement requires disconnecting low-voltage wiring harnesses and verifying DCV sensor connections. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and a laptop or handheld tool to re-configure DCV set points post-installation. Always de-energize the unit at the disconnect before servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eTFACCY48TM482637\u003c\/strong\u003e commercial packaged rooftop unit. Also cross-references Honeywell W7212A1017 for compatible Bryant and Payne rooftop platforms. Verify your existing board's part number on the unit data plate or board label before ordering. Our team is available to confirm fitment — don't guess on a control board.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640260252019,"sku":"CARRIE-TFACCY48TM482637-CONTROL_BOARD-HH63AW001","price":348.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640260284787,"sku":"CARRIE-TFACCY48TM482637-CONTROL_BOARD-HH63AW001-GEN","price":306.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_e2ad8cdf-b2c6-429b-801c-6b490ed09b73.jpg?v=1775029043"}],"url":"https:\/\/nationalhvacparts.com\/collections\/circuit-boards.oembed?page=10","provider":"National HVAC Parts","version":"1.0","type":"link"}