Trane SWT3018 Pressure Switch 318973-401 this unit operates at 208/230V

this unit operates at 208/230V and delivers 1/16 HP at a consistent 3450 RPM

Using it with different refrigerants will lead to inaccurate superheat control and potential system instability

Featuring a 2-7/8" insertion length (inside dimension)

ensure the system is thoroughly flushed before installing this MTZ replacement

This 230V germicidal UV bulb features an integrated power supply connection

Trane SWT3018 Pressure Switch 318973-401 this unit operates at 208/230VFor field techs managing low pressure protection in commercial and residential systems, the Trane SWT3018 Pressure Switch (cross referenced as SWT03018) is a critical OEM safety component. This SPST normally open pressure switch is engineered to monitor system conditions and prevent compressor damage due to refrigerant loss or extreme temperature drops. It features a precise 25 PSI open setpoint and a 41 PSI close (reset) point, making it standard for