{"product_id":"oem-goodman-defrost-control-board-for-aph1336h41ca-pcbdm133s","title":"OEM Goodman Defrost Control Board for APH1336H41CA — PCBDM133S","description":"\u003ch2\u003eOEM Goodman PCBDM133S Defrost Control Board\u003c\/h2\u003e\u003cp\u003eThe Goodman PCBDM133S is the genuine OEM defrost control board for the APH1336H41CA packaged heat pump. This board is the brain of the outdoor unit's defrost cycle — it monitors the defrost thermostat, times the defrost interval, energizes the reversing valve, and cycles the auxiliary heat and outdoor fan to clear coil frost during heating operation. A failed board is a common cause of iced-over coils, no-heat calls, and short cycling.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: PCBDM133S\u003c\/li\u003e\n\u003cli\u003eType: Defrost control circuit board\u003c\/li\u003e\n\u003cli\u003eFunction: Defrost timing, reversing-valve control, fan\/aux-heat sequencing\u003c\/li\u003e\n\u003cli\u003eSelectable defrost intervals (per Goodman board configuration)\u003c\/li\u003e\n\u003cli\u003eFits: Goodman APH1336H41CA and compatible Goodman\/Amana heat pumps\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe OEM PCBDM133S guarantees correct pin-out, relay ratings, and firmware timing for your unit. Generic replacements may require rewiring or lack the exact defrost logic, risking nuisance faults. For reliable performance we strongly recommend OEM on control electronics.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDifficulty: Moderate.\u003c\/strong\u003e Involves 120\/24V wiring. Photograph the existing wire harness, disconnect power at the breaker, and transfer connections one at a time. HVAC experience or a licensed technician is recommended. Verify the defrost jumper matches the original setting after installation.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058268127603,"sku":"GOODMAN-15251","price":62.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-defrost-control-board-for-aph1336h41ca-pcbdm133s","provider":"National HVAC Parts","version":"1.0","type":"link"}