{"product_id":"carrier-tchc1850he401027-control-board-11kz9v","title":"OEM Carrier Economizer Control Board Kit HH63AW001 — TCHC1850HE401027","description":"\u003ch1\u003eOEM Carrier DCV Economizer Control Board Kit HH63AW001 for Model TCHC1850HE401027\u003c\/h1\u003e\u003cp\u003eThis is a genuine OEM Carrier Factory Authorized Part — the DCV Economizer Control Board Kit (part number \u003cstrong\u003eHH63AW001\u003c\/strong\u003e) — engineered as the factory-specified replacement for the \u003cstrong\u003eCarrier TCHC1850HE401027\u003c\/strong\u003e commercial rooftop unit. The economizer control board serves as the intelligent hub of your unit's economizer system, continuously monitoring outdoor air conditions and modulating the economizer damper to blend return and outdoor air optimally. When this board fails, symptoms include economizer dampers stuck open or closed, loss of demand-controlled ventilation (DCV), active fault codes on the unit controller, excessive energy consumption, and degraded indoor air quality (IAQ).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Specs:\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 by Carrier Corporation\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 are factory-programmed with the exact control logic for your unit's economizer sequence. Third-party boards frequently misinterpret sensor inputs, causing damper hunting, DCV failures, or voided equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect power at the disconnect and verify zero voltage with a multimeter before opening the control panel. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, phone or camera to photograph all wiring harness connections before removal. Label all connectors. Commercial RTU work — qualified HVAC technician strongly recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty on parts. Orders ship same business day from our warehouse when placed before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eTCHC1850HE401027\u003c\/strong\u003e commercial rooftop HVAC unit. Cross-references include Honeywell W7212A1017. Verify your existing board's part number against the unit data plate before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640278831475,"sku":"CARRIE-TCHC1850HE401027-CONTROL_BOARD-HH63AW001","price":375.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640278864243,"sku":"CARRIE-TCHC1850HE401027-CONTROL_BOARD-HH63AW001-GEN","price":330.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_82ddc11b-b7b9-41e5-adab-183af8a7c4e5.jpg?v=1775028967","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc1850he401027-control-board-11kz9v","provider":"National HVAC Parts","version":"1.0","type":"link"}