IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman PCBDM101S is a genuine OEM defrost control board built for the ASH130481AB 13 SEER, 4-ton heat pump condenser. This board is the brain of the outdoor unit in heating mode — it monitors the defrost thermostat, runs the selectable defrost interval timer, and energizes the reversing valve, compressor contactor, and condenser fan relays to clear frost from the outdoor coil and then return the unit to normal heating.
The PCBDM101S is pin-for-pin correct for the ASH13 wiring harness and defrost sensor. Universal aftermarket defrost boards require rewiring and jumper cross-referencing, and an incorrect defrost strategy can leave the coil iced or trigger nuisance defrosts. The OEM board plugs into the existing terminals for a clean, warranty-safe repair.
Difficulty: Moderate (DIY-capable with care). Disconnect power at the breaker, photograph and label every wire, transfer connections to the new board, and match the defrost-timer jumper to the original setting. No refrigerant work required. Estimated time: 30–45 minutes.