{"product_id":"carrier-ph10pa048000acaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA001 — PH10PA048000ACAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA001 for Model PH10PA048000ACAA\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 PH10PA048000ACAA\u003c\/strong\u003e heat pump system. The defrost control board monitors outdoor coil temperature and ambient conditions to initiate and terminate defrost cycles, preventing ice accumulation on the outdoor unit. When this board fails, common symptoms include a locked-out outdoor unit, continuous icing of the outdoor coil, a heat pump stuck in defrost mode, or a system that never initiates defrost at all — leading to significant efficiency loss and potential compressor damage if left unaddressed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part No. HK32EA001 | Factory defrost control board | Timed\/temperature-initiated defrost logic | 24V control circuit compatible | Direct drop-in replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier board programmed with factory-exact defrost timing and termination logic. Aftermarket boards may use approximated timing algorithms that cause premature or delayed defrost cycles, reducing system efficiency and risking coil damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect all power before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter, and a phone or camera to photograph all wiring harness connections prior to removal. The board mounts in the outdoor control compartment; handle with care to avoid static discharge to board components.\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 Engineered specifically for the \u003cstrong\u003eCarrier PH10PA048000ACAA\u003c\/strong\u003e heat pump. Always verify the part number printed on your existing board's label before ordering to confirm an exact match. Not sure? Our HVAC parts specialists are available to verify fitment before you purchase — order with confidence and get back to comfort fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641980506483,"sku":"CARRIE-PH10PA048000ACAA-CONTROL_BOARD-HK32EA001","price":200.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641980539251,"sku":"CARRIE-PH10PA048000ACAA-CONTROL_BOARD-HK32EA001-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-HK32EA001_e28f7d2e-ae53-4676-8ecc-85962cfdf7e7.jpg?v=1775026657","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph10pa048000acaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}