{"product_id":"carrier-ph4ang048000bbaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA001 for PH4ANG048000BBAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA001 for Model PH4ANG048000BBAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-authorized defrost control board (part number \u003cstrong\u003eHK32EA001\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PH4ANG048000BBAA\u003c\/strong\u003e heat pump. The defrost control board is the electronic brain of your heat pump's defrost system — it monitors run time and outdoor coil conditions, then initiates and terminates timed defrost cycles to prevent ice buildup on the outdoor coil. When this board fails, the heat pump may run continuously in a frozen state, fail to enter defrost mode at all, or lock out on a fault code, leaving you with poor heating performance or no heat during cold weather.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HK32EA001 | Also cross-references CEPL130524-01, CEBD430524-06A, 1173636, 1177927 — this is the exact factory-specified board for your unit, not an aftermarket approximation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e Genuine Carrier OEM boards are factory-calibrated with precise defrost timing intervals matched to your system's refrigerant charge and coil geometry. Aftermarket boards often use generic timing sequences (±15–20%) that can cause premature compressor wear, inadequate defrost, or nuisance lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect power at the breaker before servicing. Access the control board compartment in the outdoor unit. Photograph all wiring harness connections before removal. Swap connectors one-to-one to the new board and verify defrost timing selection (30\/60\/90 min) matches your prior setting. Tools needed: Phillips screwdriver, 1\/4\" nut driver, multimeter for voltage verification.\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 Designed as the direct OEM replacement for the \u003cstrong\u003eCarrier PH4ANG048000BBAA\u003c\/strong\u003e (4-ton heat pump) and other select Carrier, Bryant, and Payne heat pump models using the HK32EA001 board. Always verify the part number on your existing board's label before ordering. Have a fitment question? Our HVAC parts specialists confirm compatibility before you buy — contact us today and get back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641243554163,"sku":"CARRIE-PH4ANG048000BBAA-CONTROL_BOARD-HK32EA001","price":224.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641243586931,"sku":"CARRIE-PH4ANG048000BBAA-CONTROL_BOARD-HK32EA001-GEN","price":197.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK32EA001_052a22f7-ec2f-49f5-921b-dbf7c07f0f46.jpg?v=1775026600","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph4ang048000bbaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}