Trane SWT3018 Pressure Switch 318973-401 ensure the system is thoroughly

ensure the system is thoroughly flushed before installing this MTZ replacement

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

Common Technician Questions How do I set the defrost frequency

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

Trane SWT3018 Pressure Switch 318973-401 ensure the system is thoroughlyFor 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