{"product_id":"carrier-tchc1850he401023-control-board-11kz9v","title":"OEM Carrier Economizer Control Board HH63AW001 — TCHC1850HE401023","description":"\u003ch1\u003eOEM Carrier Economizer Control Board HH63AW001 for Model TCHC1850HE401023\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier Economizer Control Board (part number \u003cstrong\u003eHH63AW001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier TCHC1850HE401023\u003c\/strong\u003e commercial packaged unit. The economizer control board manages the outdoor air damper actuator, monitors enthalpy or dry-bulb sensors, and coordinates free-cooling operation to maximize energy efficiency. When this board fails, symptoms include the economizer damper stuck open or closed, loss of free-cooling mode, fault codes related to outdoor air control, or complete economizer lockout — all of which can result in comfort complaints and failed energy-code compliance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HH63AW001 | Carrier Economizer Control Board Kit | Factory-direct replacement — no modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board, pre-programmed and factory-calibrated to the exact sensor input thresholds and damper control logic required by the TCHC1850HE401023. Aftermarket alternatives may lack proper firmware, risking damper over-travel, sensor misreads, or non-compliance with ASHRAE 90.1 economizer requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Economizer board replacement is an advanced commercial HVAC task. A licensed commercial HVAC technician is strongly recommended. Tools required: multimeter, low-voltage test leads, flathead and Phillips screwdrivers, wire labels. Always photograph and label all wiring harnesses and sensor leads before disconnecting. Verify 24V control power is off before handling the board.\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 for the Carrier \u003cstrong\u003eTCHC1850HE401023\u003c\/strong\u003e commercial packaged unit with factory economizer assembly. Verify your existing board's part number against HH63AW001 before ordering — economizer board variants can differ by sensor type (enthalpy vs. dry-bulb) and unit tonnage. Our HVAC parts specialists are available to confirm fitment before you purchase. \u003cstrong\u003eOrder now — in stock and ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640279486835,"sku":"CARRIE-TCHC1850HE401023-CONTROL_BOARD-HH63AW001","price":393.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640279519603,"sku":"CARRIE-TCHC1850HE401023-CONTROL_BOARD-HH63AW001-GEN","price":346.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HH63AW001_e24b631e-31f1-49c3-b456-b64f5f19930b.jpg?v=1775028910","url":"https:\/\/nationalhvacparts.com\/products\/carrier-tchc1850he401023-control-board-11kz9v","provider":"National HVAC Parts","version":"1.0","type":"link"}