{"product_id":"carrier-ph13nr042000aeaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA001 — PH13NR042000AEAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA001 for Model PH13NR042000AEAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-replacement defrost control board (part number \u003cstrong\u003eHK32EA001\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PH13NR042000AEAA\u003c\/strong\u003e heat pump. The defrost control board manages the timing and execution of defrost cycles — periodically reversing refrigerant flow to melt accumulated ice off the outdoor coil. When this board fails, the outdoor unit may ice over completely, the system may run continuously in heating mode with no relief, or the unit may trip into a hard fault or lockout condition. In cold-weather climates, a failed defrost board can render a heat pump entirely inoperable within hours.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part # HK32EA001 | Also cross-references CEPL130524-01, CEBD430524-06A | 24V control voltage | 5A | Single-phase | Board dimensions approx. 6\" × 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine Carrier Factory Authorized Part — not an aftermarket substitute. OEM boards are factory-programmed with exact defrost timing algorithms and relay ratings matched to your PH13NR042000AEAA unit. Aftermarket boards risk incorrect defrost intervals, premature relay failure, and voided equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect all power at the breaker before servicing. Tools required: #2 Phillips screwdriver, 1\/4\" nut driver, needle-nose pliers, and a multimeter to verify 24V control signal. Photograph all wiring harness connections before removal. Transfer defrost timing jumpers from the old board to the new board exactly as found.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer 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 Designed for the \u003cstrong\u003eCarrier PH13NR042000AEAA\u003c\/strong\u003e split-system heat pump (3.5-ton, R-410A). Also fits additional Carrier, Bryant, and Payne heat pump models — verify your unit's data plate and existing board part number before ordering. Our HVAC parts specialists are available to confirm fitment prior to purchase. Order today and get back to comfort fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641865130355,"sku":"CARRIE-PH13NR042000AEAA-CONTROL_BOARD-HK32EA001","price":281.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641865163123,"sku":"CARRIE-PH13NR042000AEAA-CONTROL_BOARD-HK32EA001-GEN","price":247.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK32EA001_5b6588fc-3fde-4618-99cc-7fa8581829fc.jpg?v=1775026730","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr042000aeaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}