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

Common Technician Questions How do I set the defrost frequency

Integrating this furnace limit control into your York furnace maintenance routine prevents nuisance tripping and protects the heat exchanger from thermal stress

High-Pressure Certification: CSA certified for use with 5 psi natural gas and 2 psi LP gas systems when paired with compatible 325 series units

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