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The Goodman 0130M00074 High Pressure Cut-Off Switch is a genuine OEM safety control for the APH1436H41DC Amana/Goodman package heat pump. Wired into the control circuit, it opens to shut down the compressor when refrigerant discharge pressure climbs to an unsafe level — protecting the compressor from damage caused by a dirty condenser, overcharge, or blocked airflow. When this switch fails, you'll see nuisance lockouts or a compressor that won't start.
The OEM 0130M00074 is factory-calibrated to the exact cut-out/cut-in setpoints your unit's controls expect. Generic switches with the wrong trip pressure either nuisance-trip or fail to protect the compressor — a costly gamble on a safety device. For a life-safety and compressor-protection component, always use the OEM-spec part.
Easy–Moderate (2/5). If it's a mechanically attached (not brazed) switch on a Schrader-style port, it's a quick swap; brazed-in versions require recovering refrigerant and a torch. Cut power first and follow EPA recovery rules if the refrigerant circuit must be opened.
Fits Goodman/Amana APH1436H41DC. Verify model, serial, and switch style before ordering. Contact info@nationalhvacparts.com.