Trane SWT3544 Pressure Switch 30067439-890 Common Questions What is the

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Trane SWT3544 Pressure Switch 30067439-890 Common Questions What is theFor mid to large scale refrigeration and HVACR systems, the Trane SWT3544 Pressure Switch is a critical safety component designed to mitigate risk from excessive head pressure. As a High Pressure Switch, this OEM replacement parts (often superceded by part number SWT03544) is factory set to trip at 650 PSI, effectively cutting the control circuit to protect the compressor from mechanical failure or system rupture. With a SPST (Single Pole Single