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The Goodman 0130M00074 High Pressure Cut-Off Switch is a genuine OEM safety control for the APH1348H41DA heat pump and matching Goodman/Amana systems. This normally-closed switch monitors refrigerant discharge pressure and opens the control circuit if pressure climbs to an unsafe level — protecting the compressor from catastrophic failure caused by a dirty condenser coil, failed fan, or overcharge. If your unit trips out on hot days or short-cycles under high head pressure, a faulty high-pressure switch is a leading suspect.
The OEM Goodman 0130M00074 is calibrated to the exact cut-out and reset pressures your system was designed around. Generic switches often use different trip points, leading to nuisance trips or — worse — failure to protect the compressor. Because this is a safety device, OEM is strongly recommended.
Moderate (3/5). Replacement typically requires refrigerant recovery and brazing or a Schrader-type fitting depending on the model. This should be performed by an EPA-certified technician. Always recover refrigerant and disconnect power before service.
Exact-fit replacement for Goodman APH1348H41DA.