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The 0130M00075 is a genuine OEM low-pressure (loss-of-charge) safety switch engineered for the Goodman/Amana APH1430M41AA packaged heat pump and compatible R-410A systems. It monitors suction-line pressure and opens the control circuit when refrigerant charge drops too low, protecting the compressor from running dry after a leak, valve failure, or extreme cold. When pressure recovers, the automatic-reset design restores operation without a manual trip.
The OEM switch ships with Goodman's factory-calibrated cut-in/cut-out set points and terminal geometry, so it drops into the harness with no rewiring. Our Generic equivalent meets the same pressure thresholds and R-410A rating at a lower price, ideal for out-of-warranty repairs where an exact factory part number isn't required.
Replacing a pressure switch may require recovering system refrigerant unless the unit uses a Schrader-style service port. EPA 608 certification and a manifold gauge set are recommended. Most trained techs complete the swap in under 30 minutes. Always disconnect power before servicing.