including worn diaphragms and sluggish plunger response

automatically interrupting the burner circuit or gas valve power when it detects temperatures exceeding safe operating parameters

and High Back Pressure (LBP/MBP/HBP) requirements for maximum inventory flexibility

this integrated control module replaces older or failing units to restore reliable communication between the thermostat

providing precise temperature sensing and control for optimal boiler safety switch functionality

Schneider Electric (Barber Colman) MA40-7170 Actuator R-410A including worn diaphragms and sluggishThe Schneider Electric (Barber Colman) MA40 7170 Actuator is a high torque DuraDrive solution engineered for the rigorous fail safe requirements of modern HVAC systems. This spring return actuator provides 150 lb in of torque, ensuring positive close off in air tight damper applications and valve control. Operating on 120V power supply, the unit utilizes a two position control signal (On Off) and features a mechanical spring return that automatically