Simplified Maintenance: Restores auto-drain functionality during standard coalescing filter element replacement cycles

providing the responsive control required for sophisticated building automation protocols

The 200RB series utilizes a piston design that ensures reliable shut-off and a low-pressure drop

This switch is engineered for high-cycle reliability in demanding HVACR environments

Schneider Electric (Barber Colman) MK-4811 Pneumatic Valve Actuator Freon Simplified Maintenance: Restores auto-drain functionalityPneumatic Valve Actuator, 5 to 10 Psi Spring Range, Nema Type 1, 30 Psig Maximum Air Pressure, Spring Retracts Actuator Shaft and Raises Valve Stem on loss of Air Pressure, Used with 1 1 2" to 2" VB 9xxx Series MK 4811 is the direct replacement for 23 109 This item does not qualify for free shipping.