and recirculating pumps in complex Building Automation Systems (BAS)

Replacing a worn vacuum breaker gasket or the entire 317354 unit is a standard procedure for HVACR contractors to maintain system reliability and prevent the dampers in the TC-4 valve from sticking due to negative pressure

Convertible Reset: Flexible high-pressure limit settings allow for manual or automatic reset depending on system requirements

The unit features clear status lights: Green indicates power is applied

Always use the provided lock washers and torque the fasteners to manufacturer specifications to maintain a code-compliant HVAC actuator assembly

Schneider Electric (Barber Colman) MA41-7073-502 Actuator THPU32HP7Y and recirculating pumps in complexThe Schneider Electric (Barber Colman) MA41 7073 502 is a heavy duty, 24V spring return damper actuator engineered for precise two position control in demanding HVACR applications. As part of the SmartX MX41 7xxx series, this model delivers a consistent 60 in lb torque rating, ensuring a reliable fail safe close off for air handling units, VAV terminals, and central fan systems. Designed for immediate direct mount installation onto round or square