{"product_id":"oem-goodman-defrost-control-board-for-aph1324h41ca-pcbdm133s","title":"OEM Goodman Defrost Control Board for APH1324H41CA — PCBDM133S","description":"\u003ch2\u003eGoodman PCBDM133S Defrost Control Board\u003c\/h2\u003e\u003cp\u003eThe Goodman PCBDM133S is a genuine OEM defrost control board for \u003cstrong\u003eAPH1324H41CA\u003c\/strong\u003e heat pump systems. In heat-pump mode this board is the brain behind the defrost cycle — it monitors the defrost thermostat and timer settings, then energizes the reversing valve, shuts the outdoor fan, and switches the system to melt frost off the outdoor coil before returning to normal heating. A failed defrost board typically shows up as a coil that ices over, a unit stuck in defrost, or no heat-pump heating at all.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PCBDM133S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Demand\/timed defrost control board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Controls defrost timing, reversing valve, and outdoor fan operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable defrost timing pins\u003c\/strong\u003e (30\/60\/90 min typical)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman APH1324H41CA heat pump (confirm against your unit's parts list)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis genuine Goodman board is programmed and pin-mapped to match the original factory logic, so timing, sensor inputs, and relay outputs behave exactly as designed. Aftermarket boards may require rewiring or jumper changes and can misread the defrost sensor — using the OEM PCBDM133S avoids nuisance defrosts and callbacks.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate.\u003c\/strong\u003e Replacement involves photographing and transferring multiple low- and line-voltage connections to the identical terminals, then setting the defrost-time jumper to match your original. Suited to an experienced DIYer or HVAC technician. \u003cstrong\u003eAlways disconnect power at the disconnect and breaker before servicing.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGenuine Goodman replacement — get reliable defrost performance back this heating season.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058267111795,"sku":"GOODMAN-15216","price":62.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-defrost-control-board-for-aph1324h41ca-pcbdm133s","provider":"National HVAC Parts","version":"1.0","type":"link"}