{"product_id":"carrier-ch14nb01800gaaaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA007 for CH14NB01800GAAAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA007 for Model CH14NB01800GAAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM defrost control board (part number \u003cstrong\u003eHK32EA007\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CH14NB01800GAAAA\u003c\/strong\u003e heat pump condenser. The defrost control board manages timed and demand-initiated defrost cycles, monitoring outdoor coil temperature and reversing valve operation to clear ice buildup from the coil during heating season. When this board fails, you may notice the outdoor unit freezing solid, defrost cycles never initiating, the system locking out on a fault code, or the heat pump running continuously in defrost mode without recovery. Replacing the board with the correct OEM part restores precise defrost timing and protects your compressor from damage caused by ice-restricted airflow.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part No. HK32EA007 | Factory-matched defrost timing intervals | Compatible with 24V control circuit | Engineered to factory tolerances for Carrier CH14NB01800GAAAA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM boards carry exact firmware and relay ratings specified by Carrier engineering. Aftermarket boards often use mismatched defrost timing logic, leading to premature compressor wear or repeated icing — use OEM for a reliable, warranty-backed fix.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage wiring harnesses. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter. Always shut off power at the disconnect and breaker, photograph all wiring connections before removal, and verify system operation through a full defrost cycle after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eCH14NB01800GAAAA\u003c\/strong\u003e heat pump condenser. Verify your existing board's part number against \u003cstrong\u003eHK32EA007\u003c\/strong\u003e before ordering. If your data plate or existing board shows a different part number, contact our fitment team — we verify compatibility before every order to make sure you get the right part the first time. Order today and get your heat pump back to peak performance with fast, same-day shipping.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909614063987,"sku":"CARRIE-CH14NB01800GAAAA-CONTROL_BOARD-HK32EA007","price":102.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909614096755,"sku":"CARRIE-CH14NB01800GAAAA-CONTROL_BOARD-HK32EA007-GEN","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-defrost-HK32EA007_cad46f79-4e8e-485b-9937-dc30e9c3f032.jpg?v=1782913431","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ch14nb01800gaaaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}