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The Goodman 0130M00074 High Pressure Cut-Off Switch is a genuine OEM refrigerant safety control engineered for DCC300 series commercial packaged air conditioners, including the DCC300XXX4VXXYAA. This automatic-reset switch monitors discharge-line pressure and opens the control circuit when the refrigerant pressure exceeds safe operating limits, protecting the compressor from catastrophic overpressure damage caused by condenser fan failure, dirty coils, or restricted airflow.
This is the genuine Goodman OEM part, factory-calibrated to the exact cut-out and cut-in pressure setpoints your DCC300 unit requires. Generic universal pressure switches often have different setpoints or connection styles that can cause nuisance trips or fail to protect the compressor. For a safety-critical control, OEM is strongly recommended.
Moderate — Requires recovering or isolating refrigerant if the switch is not on a Schrader fitting, plus basic electrical work. Always disconnect power and follow EPA refrigerant-handling rules. Professional HVAC installation is recommended.