{"product_id":"carrier-ph3zna036000aa-control-board-hxunht","title":"OEM Carrier Defrost Control Board CESO130076-00 for PH3ZNA036000AA","description":"\u003ch1\u003eOEM Carrier Defrost Control Board CESO130076-00 for Model PH3ZNA036000AA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier defrost control circuit board (part number \u003cstrong\u003eCESO130076-00\u003c\/strong\u003e, superseded by \u003cstrong\u003eHK32EA008\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PH3ZNA036000AA\u003c\/strong\u003e heat pump. The defrost control board serves as the operational brain of your outdoor unit — it continuously monitors defrost sensors and safety switches, manages timed defrost cycles, and coordinates voltage signals to the reversing valve, compressor, and fan motor. When this board fails, common symptoms include the outdoor unit failing to enter or exit defrost mode, compressor short-cycling, erratic or locked-out operation, and frost or ice buildup accumulating on the outdoor coil even in mild ambient temperatures.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Specs:\u003c\/strong\u003e OEM Carrier Defrost Control Circuit Board | Part # CESO130076-00 (superseded by HK32EA008) | Fits Carrier, Bryant \u0026amp; Payne heat pump platforms | Factory-matched relay and sensor circuit tolerances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM-grade replacement engineered to exact Carrier factory specifications. Generic aftermarket boards frequently use off-tolerance relays and under-rated capacitors that can cause premature failure and void equipment warranties — OEM is always the recommended choice for defrost control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect all power before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, a multimeter, and a smartphone to photograph all wiring harness connections before removal. Label every connector. Defrost boards involve low-voltage and line-voltage terminals — exercise caution and verify power is off at the disconnect and breaker before touching any terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty. In stock and ships same business day from our warehouse — get your heat pump back online fast.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for the \u003cstrong\u003eCarrier PH3ZNA036000AA\u003c\/strong\u003e heat pump. Also cross-compatible with select Bryant and Payne heat pump models sharing the CESO130076-00 \/ HK32EA008 board specification. Always verify your unit's existing board part number against your data plate before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — no guesswork.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641342480755,"sku":"CARRIE-PH3ZNA036000AA-CONTROL_BOARD-CESO130076-00","price":208.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641342513523,"sku":"CARRIE-PH3ZNA036000AA-CONTROL_BOARD-CESO130076-00-GEN","price":183.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-CESO130076-00_9aa7ef5f-714c-411a-8eaa-030722b59c4a.jpg?v=1775026315","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph3zna036000aa-control-board-hxunht","provider":"National HVAC Parts","version":"1.0","type":"link"}