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The Goodman 0130M00074 High Pressure Cut-Off Switch is a genuine OEM safety control for the APH1424H41DE package heat pump. Wired into the high side of the refrigeration circuit, it continuously monitors discharge pressure and opens the control circuit if pressure climbs into an unsafe range — protecting the compressor, condenser coil, and brazed joints from rupture during a fault such as a blocked condenser, failed condenser fan, or overcharge. When this switch is nuisance-tripping or has failed open, the system will short-cycle or refuse to run, and only an exact OEM replacement restores the correct trip and reset setpoints.
This factory OEM switch is calibrated to the exact cut-out and cut-in PSIG values Goodman specifies for this system. Generic pressure switches with the wrong setpoints either trip prematurely (nuisance lockouts) or too late (no real protection). For a safety control, only the matched OEM part is acceptable.
Moderate. Many versions use a Schrader-style fitting that allows replacement without recovering the charge; others are brazed and require EPA 608 recovery. Verify your connection type — brazed-in units are a licensed-technician job.
Ships as genuine Goodman/Amana OEM stock. Confirm model and serial before ordering.