handling media temperatures up to 200°F and high close-off pressures in demanding zoning systems

and on/off functionality at 24Vac/dc

Why is my pilot light dropping out even with a new thermocouple installed

Identified by its distinct silver dot

Always match the part number and pressure rating exactly to your unit’s requirements

Schneider Electric (Barber Colman) MC-421 Motor 30067439-890 handling media temperatures up toThe Schneider Electric (Barber Colman) MC 421 Motor is a high performance 120V electric actuator designed for the precise positioning of dampers and valves in commercial HVAC and industrial ventilation systems. This non spring return actuator is engineered for two position control, offering a full 180 degree unidirectional rotation in a standard 20 second cycle. Built for long term duty in rigorous environments, the assembly features a rugged die cast