Trane SWT2973 Pressure Switch 318172-701 this unit is engineered for

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

and steam main drips

this reversing valve pilot-operated design simplifies the transition between cycles while maintaining the thermal integrity of Trane condensing units

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

Quiet Operation: Balanced impeller wheel reduces vibration and resonance through the vent piping

Trane SWT2973 Pressure Switch 318172-701 this unit is engineered forThe 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