Technical Specifications and Benefits Enhanced Durability: Constructed from high-zinc ASTM grade bronze for corrosion resistance in steam and water lines

the Antunes Model G series is designed as a ventless pressure switch

22 standards for 2 PSI line pressure regulation

Technicians should use a calibrated 0-30 psi gauge at the output port

Maximum Compatibility: Purpose-built for the 20F24C2172AAF 1-1/4" NPT brass valve body

Trane CNT3666 Pressure Switch 326058-756 Technical Specifications and Benefits EnhancedThe Trane CNT3666 Pressure Switch is a critical safety component engineered for precise draft monitoring in high efficiency HVAC systems. This single pole single throw (SPST) switch is factory calibrated to a 0. 15" WC set point, ensuring the inducer motor establishes a proper vacuum before allowing the ignition sequence to proceed. Designed as a direct OEM replacement pressure switch, it features a 1 4" barbed connection for secure pneumatic tubing