{"product_id":"carrier-ph13nr01800gajaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA007 for PH13NR01800GAJAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA007 for Model PH13NR01800GAJAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier defrost control board (part number \u003cstrong\u003eHK32EA007\u003c\/strong\u003e), factory-specified for the \u003cstrong\u003eCarrier PH13NR01800GAJAA\u003c\/strong\u003e heat pump. The defrost control board manages and initiates the defrost cycle, monitoring outdoor coil temperature and timing to determine when frost accumulation must be cleared. When this board fails, the outdoor coil will ice over completely, airflow through the coil will be blocked, and the system will either short-cycle, blow cold air in heat mode, or lock out entirely. Replacing it with a genuine OEM board — not a generic substitute — ensures factory-accurate defrost timing intervals and temperature thresholds are maintained.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HK32EA007 | Also cross-references: 1173636, 1177927 | OEM Carrier \/ Bryant \/ Payne heat pump defrost control board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e Genuine OEM boards use factory-calibrated defrost timers and temperature logic. Generic aftermarket boards frequently use imprecise timing circuits that cause premature or delayed defrost cycles, leading to accelerated compressor wear and reduced efficiency over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V control wiring and low-voltage connectors from the board. Always power down and lock out the unit at both the disconnect and breaker before servicing. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, phone or camera to photograph all wiring before removal. Label all connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. Ships same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Factory-matched for Carrier model \u003cstrong\u003ePH13NR01800GAJAA\u003c\/strong\u003e heat pump systems. This board also cross-applies to select Bryant and Payne heat pump platforms sharing the same defrost board specification — verify your model data plate and existing board part number before ordering. Our team is available to confirm fitment prior to purchase.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641890984307,"sku":"CARRIE-PH13NR01800GAJAA-CONTROL_BOARD-HK32EA007","price":315.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641891017075,"sku":"CARRIE-PH13NR01800GAJAA-CONTROL_BOARD-HK32EA007-GEN","price":277.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK32EA007_b0ec0c7f-e99d-4ced-89d9-ccb1458bf59a.jpg?v=1775026912","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr01800gajaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}