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The Goodman 0130M00087 Low Pressure Switch is a genuine OEM suction-side safety control for the Goodman DCC300XXX4BFXXAB commercial packaged air conditioner and compatible R-410A systems. It guards the compressor against a loss-of-charge condition and low-suction-pressure operation that can lead to coil freeze-up, liquid slugging, and premature compressor failure.
The OEM 0130M00087 matches Goodman's factory low-pressure cut-out and cut-in set points, so the compressor cycles back on only when pressure has genuinely recovered. Generic switches may trip at the wrong threshold, causing short-cycling or failing to protect against a slow leak. Because this control directly safeguards the compressor, the genuine part is the safer long-term value.
Difficulty: Moderate. Disconnect power before servicing. If the switch threads onto a Schrader port, replacement is straightforward; if brazed inline, refrigerant recovery and re-charging by an EPA-certified technician is required. Verify terminal continuity and confirm proper suction pressure after installation.