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The Goodman 0130M00075 is a genuine OEM low-pressure switch for the APH1436H41DE heat pump and compatible Goodman/Amana condensing units. Installed on the suction side, this loss-of-charge safety opens the control circuit when refrigerant pressure falls too low — protecting the compressor from running under a leak, low charge, or restricted metering device. It auto-resets when suction pressure recovers.
The genuine Goodman OEM switch carries the factory low-side trip and reset calibration for your refrigerant and design conditions. Generic replacements risk incorrect set points that either fail to protect the compressor or cause repeated nuisance lockouts in cold weather. OEM ensures correct, safety-rated protection.
Easy (2/5). Schrader-port versions thread on without refrigerant recovery; brazed versions need evacuation and a proper charge afterward. Typical replacement runs 20–30 minutes. Cut power and identify the suction-side port before servicing.