{"product_id":"1016567r-nordyne-defrost-control-board","title":"1035831R Nordyne Defrost Control Board","description":"\u003ch1\u003e1035831R Nordyne Defrost Control Board\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003eNormal Stock Item, we can ship today!\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e1035831R Nordyne Defrost Control Board\u003c\/strong\u003e is a high‑quality OEM replacement designed for reliable frost management in Nordyne heat pump systems. This control board monitors coil temperature, manages compressor operation, and initiates defrost cycles to maintain peak system efficiency in cold‑weather conditions. Built on a rigid PCB with advanced configuration features, it ensures accurate timing, dependable performance, and long‑term durability. Ideal for service technicians and homeowners needing a direct replacement for failed or intermittent defrost control functions. Replaces legacy part numbers including \u003cstrong\u003e1016567R\u003c\/strong\u003e and \u003cstrong\u003e1045845R\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 class=\"relative pb-6 w-full after:border-b after:border-stroke-300 after:w-full after:absolute after:mt-3\"\u003eOEM Cross 1016567R to exact board 1035831R\u003c\/h2\u003e\n\u003ch2\u003eCross-Reference Part Numbers\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM Part Number\u003c\/th\u003e\n\u003cth\u003eReplaces\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003cstrong\u003e\u003cspan\u003e1035831R\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e1016567R, \u003cspan\u003e1041354R\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eBoth boards fit the same Nordyne \/ Intertherm \/ Miller heat pump families.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf a unit calls for \u003cstrong\u003e1045845R\u003c\/strong\u003e, the correct replacement is \u003cstrong\u003e1035831R\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf a unit calls for \u003cstrong\u003e1035831R\u003c\/strong\u003e, do \u003cstrong\u003enot\u003c\/strong\u003e go backwards to 1045845R unless absolutely necessary.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"relative pb-6 w-full after:border-b after:border-stroke-300 after:w-full after:absolute after:mt-3\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFits Nordyne and Intertherm heat pump units that originally used the 1035831R defrost board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ps-2\"\u003e\n\u003cp\u003e\u003cspan\u003eConsult your OEM parts manual for exact model fitment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTechnician Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlways wear an ESD wrist strap and handle the board by its edges.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify dip-switch and jumper settings match your outdoor temperature sensor calibration requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTest the defrost thermistor: expect ~12 kΩ at 32 °F and ~5 kΩ at 77 °F.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect the outdoor coil sensor, termination thermostat, and wiring connectors for corrosion or damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfirm 24 VAC control voltage between R and C terminals before and after installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse the on-board LED blink codes to diagnose faults—refer to the OEM service manual for code definitions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePhotograph the original wiring layout and board orientation to ensure accurate reinstallation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAfter replacement, run the system through a full defrost cycle in heating mode to verify operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eAdditional Resources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDownload the OEM wiring diagram and installation manual (PDF)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAccess a printable defrost board cross-reference cheat sheet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWatch our step-by-step video guide on replacing the defrost control board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReplaced by 1035831R\u003c\/p\u003e","brand":"Quinn","offers":[{"title":"Default Title","offer_id":16078482309186,"sku":"1035831R","price":164.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Pic_large_e900dd06-7c90-45cc-a698-e80abefe2c50.webp?v=1716667344","url":"https:\/\/hvacpartstore.com\/products\/1016567r-nordyne-defrost-control-board","provider":"HVACpartstore","version":"1.0","type":"link"}