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The 0130M00074 is a genuine OEM high-pressure cut-off switch engineered for the Goodman/Amana APH1536M41AD package heat pump and other compatible R-410A systems. This normally-closed safety control monitors refrigerant discharge pressure and interrupts the compressor circuit when pressure climbs to an unsafe level — protecting the compressor from damage caused by condenser airflow loss, overcharge, or a stuck contactor.
The genuine OEM switch is factory-calibrated to the exact cut-out and cut-in pressures specified for this equipment, ensuring the compressor is protected without nuisance tripping. Generic aftermarket switches may carry looser pressure tolerances and shorter service life; the OEM part guarantees a correct, plug-in fit and preserves your equipment warranty.
Easy (2/5). A qualified technician can swap this switch in under 15 minutes with basic hand tools. Always recover or isolate refrigerant per EPA rules if the fitting is brazed, disconnect power at the disconnect, and verify the terminals seat fully before restoring power.
Backed by genuine Goodman quality. If you are unsure of compatibility, contact us at info@nationalhvacparts.com before ordering.