{"product_id":"carrier-ph15na03000gbaaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA001 for PH15NA03000GBAAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA001 for Model PH15NA03000GBAAA\u003c\/h1\u003e\u003cp\u003eThis genuine OEM defrost control board (part number \u003cstrong\u003eHK32EA001\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PH15NA03000GBAAA\u003c\/strong\u003e heat pump. The defrost control board monitors outdoor coil conditions and governs the defrost cycle — periodically reversing refrigerant flow to melt frost accumulation on the outdoor coil. When this board fails, the outdoor coil ices over completely, causing a dramatic loss in heating efficiency, frozen coil lockout, or a unit that runs continuously in defrost without recovering. Cross-reference part numbers include: CEPL130524-01, CEBD430524-06A, 1173636, and 1177927.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Defrost Timer\/Control Board | Compatible timing sequences: 30, 60, 90 min | 24V control circuit | Direct plug-in connector replacement — no rewiring required\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 manufactured to exact tolerance for the PH15NA03000GBAAA platform. Aftermarket boards can introduce timing drift, nuisance lockouts, or connector incompatibility that shortens compressor life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power at the disconnect and breaker before opening the unit. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone\/camera to photograph wiring. Note defrost timing jumper setting before removal and replicate on the new board.\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 for the Carrier \u003cstrong\u003ePH15NA03000GBAAA\u003c\/strong\u003e heat pump. Also compatible with select Carrier, Bryant, and Payne heat pump models that specify the HK32EA001 board. Always verify your existing board's part number and connector layout before ordering. Our fitment team is available to confirm compatibility before you buy — ships today!\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641721311603,"sku":"CARRIE-PH15NA03000GBAAA-CONTROL_BOARD-HK32EA001","price":224.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641721344371,"sku":"CARRIE-PH15NA03000GBAAA-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_88ff9fb5-2aad-4505-a548-9915869a5507.jpg?v=1775026550","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph15na03000gbaaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}