{"product_id":"carrier-ph13nb024000aaaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA007 — PH13NB024000AAAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA007 for Model PH13NB024000AAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier defrost control board (part number \u003cstrong\u003eHK32EA007\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier PH13NB024000AAAA\u003c\/strong\u003e heat pump. The defrost control board manages the automatic defrost cycle — monitoring outdoor coil temperature and initiating timed defrost sequences to remove frost and ice buildup from the evaporator coil. When this board fails, common symptoms include a heat pump that never enters defrost mode (leading to a heavily iced outdoor unit), a system that gets stuck in defrost and blows cold air indoors, or a unit that short-cycles and shuts down on fault lockout. Replacing the board with a genuine OEM part restores factory-programmed defrost timing and temperature logic.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HK32EA007 | Also cross-references: 1177927, 1173636 | OEM Carrier \/ Bryant \/ Payne heat pump defrost board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a 100% genuine Carrier OEM board — not an aftermarket clone. OEM boards retain factory defrost timing intervals and termination thresholds, which aftermarket boards may approximate but rarely replicate exactly, risking premature coil icing or compressor stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off power at both the breaker and disconnect before accessing the control compartment. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone camera to photograph wiring harness positions before disconnecting. Transfer wiring connections one at a time to avoid errors. Recheck all low-voltage thermostat wire terminals after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty from date of purchase. Ships same business day from our warehouse when ordered by 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct factory replacement for \u003cstrong\u003eCarrier model PH13NB024000AAAA\u003c\/strong\u003e split-system heat pumps. This board also cross-applies to select Bryant and Payne heat pump platforms sharing the same control architecture. Always verify your existing board's part number against HK32EA007 before ordering. Our parts specialists are available to confirm fitment — contact us before you buy if you have any questions. \u003cstrong\u003eOrder today and get same-day shipping.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641927520627,"sku":"CARRIE-PH13NB024000AAAA-CONTROL_BOARD-HK32EA007","price":310.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641927553395,"sku":"CARRIE-PH13NB024000AAAA-CONTROL_BOARD-HK32EA007-GEN","price":272.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK32EA007_685a886a-47e9-401d-8896-cc70ed719449.jpg?v=1775027074","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nb024000aaaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}