{"product_id":"carrier-ph12na030000agaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA001 — PH12NA030000AGAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA001 for Model PH12NA030000AGAA\u003c\/h1\u003e\u003cp\u003eThis OEM defrost control board (part number \u003cstrong\u003eHK32EA001\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PH12NA030000AGAA\u003c\/strong\u003e heat pump system. The defrost control board manages the automatic defrost cycle, monitoring outdoor coil temperature and run time to initiate and terminate defrost when ice accumulates on the outdoor coil. When this board fails, common symptoms include a permanently iced outdoor coil, a heat pump that never enters defrost mode, erratic defrost cycling, or a system lockout with fault codes indicating defrost circuit failure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM part number HK32EA001 | Factory-matched defrost timing and temperature logic | 24V control circuit compatible | Plug-and-play connector harness matches original board layout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier board programmed with the exact defrost timing algorithms for the PH12NA030000AGAA. Aftermarket boards may use approximate timing curves that cause under- or over-defrosting, reducing efficiency and accelerating compressor wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power at the disconnect box and verify zero voltage before handling. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter, phone\/camera to photograph wiring before removal. Transfer wiring harnesses one connector at a time to avoid miswiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. 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\u003ePH12NA030000AGAA\u003c\/strong\u003e heat pump. Always verify the part number printed on your existing board's label before ordering to confirm fitment. Our HVAC parts specialists are available to verify compatibility before you buy — no guesswork needed.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641959764339,"sku":"CARRIE-PH12NA030000AGAA-CONTROL_BOARD-HK32EA001","price":181.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641959797107,"sku":"CARRIE-PH12NA030000AGAA-CONTROL_BOARD-HK32EA001-GEN","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK32EA001_dc05732c-2e88-4e9b-8097-5dbc70b4c5b9.jpg?v=1775026677","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph12na030000agaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}