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The Goodman 0130M00074 is an OEM high-pressure cut-off switch for DCC072XXX3WXXEAA and compatible 6-ton Goodman/Amana commercial package air conditioners. Wired into the safety circuit, it opens when refrigerant discharge pressure climbs too high, shutting down the compressor to prevent damage from a blocked condenser, dirty coil, or overcharge.
The OEM switch is factory-calibrated to the correct cut-out and cut-in pressure setpoints for this system. Generic switches with different setpoints can nuisance-trip or, worse, fail to protect the compressor. For a safety device, OEM accuracy matters.
Moderate — most versions use a Schrader-style connection on the refrigerant line plus a two-wire quick connect, so no system evacuation is needed on self-sealing fittings. Plan 20–40 minutes. Disconnect power and verify with a meter before servicing.