Description
The Trane SWT03274 SPST High Pressure Switch is a refrigerant pressure control component used to monitor and regulate high-pressure conditions within compatible heating and cooling equipment. Rated to open at 650 PSIG and close at 500 PSIG, the switch is commonly installed in HVAC systems where it operates as part of the unit’s safety and operational control circuit. Its role within the equipment includes responding to pressure fluctuations, assisting with compressor protection, and supporting controlled refrigerant system performance during standard heating and cooling operation.
