IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman 0130M00075 Low Pressure Switch is a genuine OEM safety control for the APH1636H41AB packaged heat pump. It monitors suction-side (low-side) refrigerant pressure and opens the compressor circuit if pressure drops too low — the classic loss-of-charge and frozen-coil protection. This prevents the compressor from running under a leak or restricted-flow condition, which would otherwise cause slugging, overheating, and early failure. A stuck-open or failed switch will keep the system from starting.
The genuine OEM switch is set to the factory low-pressure cut-out and reset points for this platform. Universal replacements often trip at different pressures or use mismatched fittings, causing nuisance shutdowns or leaving the compressor unprotected. For a compressor safety, correct calibration is worth it.
Advanced — EPA-certified technician required. Mounted on the sealed refrigerant circuit, replacement usually requires refrigerant recovery, fitting or brazing the new switch, evacuation, and recharge. Disconnect power and recover refrigerant per EPA rules before starting.