Trane SWT3544 Pressure Switch R-22 preventing the electrical mismatches and

preventing the electrical mismatches and "hunting" issues often associated with generic alternatives

Do I need to replace the capacitor

If the original box is cracked or the drainage ports are blocked

though it can handle significantly higher close-off pressures depending on the paired actuator

a specific conversion kit must be installed by a qualified technician to change the regulator spring and orifice settings

Trane SWT3544 Pressure Switch R-22 preventing the electrical mismatches andFor 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 As a High Pressure Switch, this OEM replacement parts (often superceded by part number SWT03544) is factory set to trip at 650 PSI, effectively cutting the control circuit to protect the compressor from mechanical failure or system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