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this reversing valve pilot-operated design simplifies the transition between cycles while maintaining the thermal integrity of Trane condensing units
This 2-wire configuration significantly reduces cabling requirements and commissioning time compared to traditional 3-wire sensors
and Corsaire AC and Heat Pump units
Trust this genuine Bard HVAC replacement part to restore efficiency and functionality to your units
extending the operational life of the packing and stem
Trane SWT2973 Pressure Switch 318172-701 this reversing valve pilot-operated designThe 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
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