Trane SWT2973 Pressure Switch 318172-701 and steam main drips

and steam main drips

This kit includes the necessary actuator mounting hardware

these OEM motor mounting brackets are suitable for any Rheem-Ruud application requiring a shell-mount 48-frame kit

This 2-wire configuration significantly reduces cabling requirements and commissioning time compared to traditional 3-wire sensors

this unit is engineered for long-cycle reliability in demanding commercial environments

Trane SWT2973 Pressure Switch 318172-701 and steam main dripsThe Trane SWT2973 Pressure Switch is an essential OEM safety component designed for precise draft monitoring in Trane and American Standard gas furnaces. Engineered for a 24V control circuit, this high performance sensor ensures the inducer motor establishes a proper vacuum before allowing the ignition sequence to proceed. It features a critical setpoint configuration, precisely calibrated to open at 1. 33" WC and close at 1. 52" WC, preventing unsafe