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The Goodman 0130M00075 Low Pressure Switch is a genuine OEM safety control built for the Goodman APH1636M41AB heat pump and compatible Goodman/Amana units. This switch monitors suction-line pressure and opens the compressor circuit when pressure drops too low — protecting the compressor from running under a loss-of-charge, refrigerant leak, or frozen-coil condition that would otherwise cause overheating and premature failure.
This OEM Goodman switch is factory-set to the correct cut-out and reset pressures for your system. Generic substitutes may trip at the wrong thresholds, leading to short-cycling or leaving the compressor unprotected during a leak. For a loss-of-charge safety device, OEM calibration is the reliable choice.
Moderate to advanced. The switch interfaces with the sealed refrigerant system. If mounted on a self-sealing Schrader access port it can often be swapped without recovery; otherwise EPA-certified recovery is required. Always kill power at the breaker first. A licensed HVAC technician is recommended.
Verify your model and refrigerant before ordering. Backed by our fitment guarantee.