Trane SWT2973 Pressure Switch THPU32HP7Y Operating on a standard 120V

Operating on a standard 120V AC power supply

the York S1-373-39504-011 Conversion Kit is the industry-standard solution for retrofitting to Generation 2 technology

Durable Construction: Built to withstand high-combustion chamber temperatures without degradation of the pilot burner assembly

Precise Switching: Features durable snap-acting SPDT switches for consistent electrical performance under heavy industrial loads

This 9-inch unit is the professional-grade direct replacement for Q35RL-1 models

Trane SWT2973 Pressure Switch THPU32HP7Y Operating on a standard 120VThe 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