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The Goodman 0130M00075 is a genuine OEM low pressure (loss-of-charge) switch built for APH1442H41DA heat pumps and compatible Goodman/Amana R-410A systems. Wired into the compressor control circuit, it opens when suction-side pressure drops too low — shielding the compressor from damage due to refrigerant loss, a stuck metering device, or a frozen coil. The switch resets automatically once suction pressure recovers.
The OEM switch delivers factory-exact pressure thresholds and guaranteed terminal compatibility — ideal for equipment still under warranty. Our generic equivalent matches the trip/reset spec at a budget-friendly price for older units.
Rating: Moderate. Best handled by a licensed HVAC technician. Power must be disconnected and system pressure verified before removal. EPA 608 certification required if the sealed system is opened.