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The Goodman 0130M00074 High Pressure Cut-Off Switch is a genuine OEM safety control for the Goodman/Amana APH1430M41AA packaged heat pump. It monitors compressor discharge pressure and opens the control circuit the instant pressure exceeds a safe limit — shielding the compressor from failure caused by a blocked condenser, dirty coil, or refrigerant overcharge.
This genuine OEM Goodman part is built to the precise pressure set-points and terminal layout your unit's control board expects. Aftermarket universal switches often trip at the wrong threshold or require wiring adapters. The OEM component drops in and calibrates exactly as the factory intended, safeguarding both warranty and compressor.
Moderate — HVAC technician recommended. Replacement involves accessing the high-side refrigerant port and the 24V control circuit. EPA 608 certification is required for any refrigerant handling.