{"product_id":"carrier-ph12na030000acaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA001 — PH12NA030000ACAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA001 for Model PH12NA030000ACAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier defrost control board (part number \u003cstrong\u003eHK32EA001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier PH12NA030000ACAA\u003c\/strong\u003e heat pump. The defrost control board monitors outdoor coil conditions and initiates the defrost cycle to prevent ice accumulation on the evaporator coil. When this board fails, the heat pump will run continuously without ever entering defrost mode — leading to heavy frost or ice buildup on the outdoor unit, drastically reduced heating capacity, and potential compressor damage from prolonged strain.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HK32EA001 | Cross-references: CEPL130524-01, CEBD430524-06A, 1173636, 1177927 | Factory-original Carrier replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This genuine OEM board is factory-calibrated with exact defrost timing sequences to match your PH12NA030000ACAA. Aftermarket boards may use ±timing tolerances that cause premature or missed defrost cycles, stressing refrigerant circuits and reducing system lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Shut off power at the disconnect and breaker before starting. Tools needed: 1\/4\" nut driver, flathead screwdriver, needle-nose pliers, multimeter. Photograph all wiring harness connections before disconnecting. Note defrost time selection switch position before removal.\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 3 PM EST.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the \u003cstrong\u003eCarrier PH12NA030000ACAA\u003c\/strong\u003e heat pump. Also compatible with select Carrier, Bryant, and Payne heat pump models — verify your model and part number on the unit data plate before ordering. Our HVAC parts specialists are available to confirm fitment. \u003cstrong\u003eOrder now — in stock and ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641960026483,"sku":"CARRIE-PH12NA030000ACAA-CONTROL_BOARD-HK32EA001","price":224.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641960059251,"sku":"CARRIE-PH12NA030000ACAA-CONTROL_BOARD-HK32EA001-GEN","price":197.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK32EA001_e4fcdf61-b29e-4951-89c7-0dac8041e3c6.jpg?v=1775026675","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph12na030000acaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}