IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman 0130M00074 High Pressure Cut-Off Switch is the OEM refrigerant-side safety control for APH1436M41AA packaged heat pumps. Wired into the low-voltage control circuit, it opens to shut down the compressor if discharge pressure climbs to an unsafe level — protecting against a dirty condenser coil, failed condenser fan, blocked airflow, or overcharge — then closes again once pressure falls back into range.
The OEM switch is factory-matched to the correct trip and reset setpoints and fitting type for this cabinet. Generic "universal" pressure switches may carry different setpoints or fittings and can nuisance-trip or fail to protect the compressor if the ratings don't match. For a safety control, matching the OEM spec is strongly recommended.
Moderate (3/5). Involves working on the sealed refrigerant circuit. Switches on a Schrader/auto-fitting can be swapped without recovery; brazed-in styles require recovery, brazing, evacuation, and recharge. HVAC/EPA 608 certification recommended.
Fitment note: confirm model/serial and switch style before ordering.