Armstrong International B1669-1 Pressure Change Assembly Els PW 17895 This typically indicates the pressure

This typically indicates the pressure switch is stuck open or closed

If your control signal is 24V AC/DC

ideal for leakage-rated dampers in life-safety smoke control

Under load (connected to the valve)

This HVAC ignition system component is compatible with a wide range of York

Armstrong International B1669-1 Pressure Change Assembly Els PW 17895 This typically indicates the pressureThe Armstrong International B1669 1 Pressure Change Assembly (PCA) is a critical steam trap repair kit engineered specifically for inverted bucket traps. This assembly includes a matched 1 4" orifice, valve seat, and lever mechanism, providing a direct drop in solution for maintaining trap efficiency. Designed for Armstrong 811, 211, 310, TVS 811, 881, 981, and EM series traps, this PCA is calibrated for a 15 PSI maximum operating pressure. Utilizing