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The Goodman 0130M00075 Low Pressure Switch is a genuine OEM safety control and a direct-fit replacement for the Goodman APH1424H41DD heat pump. Mounted on the low (suction) side of the refrigerant circuit, this auto-reset switch opens the control circuit and stops the compressor when suction pressure drops too low — the classic sign of a refrigerant leak, loss of charge, or a restricted metering device. By preventing the compressor from running in a starved condition, it stops overheating and protects the windings and internal valves.
The genuine OEM 0130M00075 is calibrated to the correct low-side cut-out and cut-in setpoints for the APH1424H41DD R-410A system. Universal switches often trip at the wrong pressure, producing nuisance shutdowns in cold-weather heat-pump operation or failing to catch a real loss of charge. Correct OEM calibration is essential for a protective control.
Moderate to Advanced. Schrader-port versions swap without refrigerant recovery; brazed-in versions require EPA 608 certification, recovery, and recharge. Disconnect power before servicing. Typical time is 30–90 minutes based on the fitting type.