this motor provides reliable HVAC replacement motor performance in open ventilation environments

22 standards for 2 PSI line pressure regulation

Multi-Stage Performance: Supports 2-stage furnace operation for improved temperature control and equipment efficiency

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

Smith Custom Hi-Power units

Trane CNT3666 Pressure Switch 326058-756 this motor provides reliable HVACThe 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