{"product_id":"oem-goodman-defrost-control-board-for-ash130421ab-heat-pump-pcbdm101s","title":"OEM Goodman Defrost Control Board for ASH130421AB Heat Pump — PCBDM101S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman PCBDM101S Defrost Control Board\u003c\/strong\u003e is a genuine OEM replacement for the \u003cstrong\u003eASH130421AB\u003c\/strong\u003e heat pump. This board is the brain of the outdoor unit — it monitors coil temperature, runs the timed\/demand defrost cycle, energizes the reversing valve and compressor contactor, and controls the crankcase and fan logic. A failed board typically shows up as no defrost, iced-over coils, or a unit that won't start in heat mode.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: PCBDM101S\u003c\/li\u003e\n\u003cli\u003eType: Defrost control circuit board (heat pump)\u003c\/li\u003e\n\u003cli\u003eControls: Defrost timing, reversing valve, compressor contactor, fan\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana ASH130421AB heat pump\u003c\/li\u003e\n\u003cli\u003eEquipment Type: Heat Pump\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (Genuine OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eGenuine OEM Goodman board\u003c\/strong\u003e ships with the correct firmware\/jumper logic, terminal layout, and defrost interval pins for this platform. Aftermarket boards may require rewiring or run different defrost intervals, risking coil icing or short-cycling. For a control this central, an exact-fit OEM board is the reliable path.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5).\u003c\/strong\u003e The board mounts with a few standoffs and labeled push-on connectors. Photograph the wiring, kill power at the disconnect, and transfer harnesses one at a time. Confirm defrost jumper pins match the original. Comfortable DIYers can manage it; hire a pro if the wiring is unlabeled or modified.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058302402931,"sku":"GOODMAN-16053","price":58.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-defrost-control-board-for-ash130421ab-heat-pump-pcbdm101s","provider":"National HVAC Parts","version":"1.0","type":"link"}