blocked return

Designed for use in "dry" evaporators

the after-filter uses specialized fibers that lose their filtration efficiency if washed

Common Questions: Can this be used for steam applications

reducing mechanical hum

Schneider Electric (Barber Colman) MC-431 Motor Els PW 17895 blocked returnThe Schneider Electric MC 431 is a high torque 2 position electric damper actuator engineered for precise control in commercial HVAC systems, including air handlers and rooftop units. Operating on a 120V motor, this unidirectional actuator provides 220 lb in torque to drive large dampers or valves where a spring return is not required. Designed for immediate field application, the MC 431 serves as the direct replacement for EA 31, MC 441, and MC 451