Why is my inducer running but the pressure switch is not closing

This OEM Weil McLain part functions as the direct replacement for the legacy 510-512-346 damper

The Maxon 19599 is a high-performance VOS-1 Valve Open Switch engineered for precise position indication on electro-mechanical shut-off valves

This motor is fixed for CCW (Counter-Clockwise) rotation when viewed from the lead end

United Electric H54-27 Pressure Switch 320720-756 Why is my inducer runningThe United Electric H54 27 Pressure Switch is a rugged, NEMA 1 rated control solution engineered for reliable pressure monitoring in HVACR and industrial service. This model features an adjustable setpoint range of 30 to 300 PSI, providing precise field calibration via an internal reference dial. With its SPDT switch output rated for 15A at 125 250 480 VAC, the H54 27 facilitates seamless integration into safety alarm, compressor staging, or system