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The Goodman 0130M00087 Low Pressure Switch is a genuine OEM safety control for Goodman and Amana DCC300XXX3BXXXAC package air conditioners. It monitors suction-line (low-side) pressure and opens the control circuit when pressure drops too low — the classic symptom of a refrigerant leak, loss of charge, or restricted airflow. By shutting the compressor down before it runs starved of refrigerant, this switch prevents overheating, oil breakdown, and premature compressor failure.
The OEM 0130M00087 arrives pre-set to the factory cutout and reset pressures matched to the DCC300 platform, so the compressor is protected exactly as designed. Generic switches can be a lower-cost stopgap, but their trip points are approximate and may nuisance-trip or fail to protect during a slow leak.
Moderate (2/5). Quick-connect models swap in minutes; brazed or Schrader-port versions require proper refrigerant handling. Sealed-system work should be done by a licensed HVAC technician. Always confirm system charge after installation.