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The Goodman 0130M00075 Low Pressure Switch is a genuine OEM safety control for the APH1424H41DE package heat pump. Wired into the low/suction side of the system, it opens the control circuit when suction pressure drops too low — the classic symptom of a refrigerant leak, loss of charge, or a restricted metering device. By shutting the compressor down before it runs under vacuum, this switch prevents the compressor from overheating and the evaporator from freezing solid. A failed switch will either lock the system out on a good charge or fail to protect the compressor during a real leak, so an exact OEM replacement is important.
This factory OEM switch carries the precise low-side cut-out and cut-in setpoints Goodman engineered for this unit. Substituting a generic switch with different thresholds undermines the very protection it's meant to provide. Match OEM for reliable, code-correct safety operation.
Moderate. If your unit uses a Schrader-port switch, it can often be swapped without recovering the charge; brazed-in versions require EPA 608 recovery and evacuation. Confirm your fitting type before starting — brazed units are a licensed-technician job.
Ships as genuine Goodman/Amana OEM stock. Confirm model and serial before ordering.