{"product_id":"carrier-ph15nb01800gbaaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA001 — PH15NB01800GBAAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA001 for Model PH15NB01800GBAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM defrost control board (part number \u003cstrong\u003eHK32EA001\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier PH15NB01800GBAAA\u003c\/strong\u003e heat pump. The defrost control board monitors outdoor coil conditions and governs the timing and execution of defrost cycles — periodically reversing refrigerant flow to melt ice buildup on the outdoor coil. When this board fails, the heat pump may remain locked in a constant frost or ice condition, fail to initiate defrost cycles entirely, or short-cycle with fault codes. In heating mode, a failed defrost board typically results in a heavily iced outdoor coil, sharply reduced heating capacity, and eventual compressor damage if left unaddressed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part # HK32EA001 | Board ID: CEPL130524-01 | Control voltage: 24V | Single-phase | Compatible board dimensions: approx. 6\" × 4\" | Also cross-references: CEBD430524-06A, 151922\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part. OEM boards are programmed with exact defrost timing logic and relay ratings for your unit. Aftermarket boards frequently use non-matched relay specs and timing parameters that cause premature failure or erratic defrost behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V control wiring, outdoor sensor leads, and relay harnesses. Always shut off power at both the indoor air handler and outdoor disconnect before servicing. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone or camera to photograph all wire connections before removal. No soldering required.\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 warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for the \u003cstrong\u003eCarrier PH15NB01800GBAAA\u003c\/strong\u003e heat pump. Also fits select Bryant and Payne heat pump models using the HK32EA001 board — verify your existing board's part number label before ordering. Before replacing, test your defrost thermostat and outdoor temperature sensor; if those components test good, a failed HK32EA001 board is the likely culprit. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you order — contact us today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641676943731,"sku":"CARRIE-PH15NB01800GBAAA-CONTROL_BOARD-HK32EA001","price":241.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641676976499,"sku":"CARRIE-PH15NB01800GBAAA-CONTROL_BOARD-HK32EA001-GEN","price":212.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK32EA001_abd21962-7888-4ff6-948c-653f5c58b595.jpg?v=1775026761","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph15nb01800gbaaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}