{"product_id":"carrier-ch14na03000gaaaa-control-board-15t5bk","title":"OEM Carrier Defrost Control Board HK32EA007 for CH14NA03000GAAAA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board HK32EA007 for Model CH14NA03000GAAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM defrost control board (part number \u003cstrong\u003eHK32EA007\u003c\/strong\u003e) designed specifically for the \u003cstrong\u003eCarrier CH14NA03000GAAAA\u003c\/strong\u003e heat pump condenser. The defrost control board manages the automatic defrost cycle, monitoring outdoor coil temperature and run time to prevent ice buildup on the heat exchanger. When this board fails, you may notice the outdoor coil freezing solid, the unit failing to switch into defrost mode, reduced heating capacity, or the system locking out entirely during cold weather operation. Replacing this board with a genuine OEM part ensures the defrost timing and temperature thresholds remain exactly within Carrier factory specifications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Number HK32EA007 | Defrost control board | Factory-matched timing intervals | Compatible with R-410A refrigerant systems | Direct plug-and-play wiring harness connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e Genuine Carrier OEM boards maintain precise defrost initiation and termination logic calibrated to this unit. Aftermarket boards often use generic timing intervals that can lead to premature compressor wear, coil icing, or nuisance lockouts — especially in sub-freezing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage wiring at the control board. Tools needed: flathead and Phillips screwdriver, needle-nose pliers, multimeter, and camera or phone to photograph wiring before disconnection. Turn off power at the breaker and disconnect service before beginning. If wiring labels are worn, consult the unit's wiring diagram located on the inside of the access panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our climate-controlled parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This defrost control board is engineered for the Carrier \u003cstrong\u003eCH14NA03000GAAAA\u003c\/strong\u003e heat pump condenser unit. Always verify the OEM part number HK32EA007 on your existing board's label before ordering to confirm fitment. Have questions about compatibility? Our HVAC parts specialists verify fitment before you place your order — no guessing required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909616488819,"sku":"CARRIE-CH14NA03000GAAAA-CONTROL_BOARD-HK32EA007","price":102.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909616521587,"sku":"CARRIE-CH14NA03000GAAAA-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_34960900-07eb-4551-9f58-5ac3a6b20e7a.jpg?v=1782913429","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ch14na03000gaaaa-control-board-15t5bk","provider":"National HVAC Parts","version":"1.0","type":"link"}