Trane SWT2973 Pressure Switch 318172-701 and steam main drips

and steam main drips

This kit includes the necessary actuator mounting hardware

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

this inductor choke is utilized in various high-efficiency furnaces and air handlers that employ variable speed technology to manage the electrical bridge between the power supply and the motor drive

extending the operational life of the packing and stem

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