International Environmental 71159953 Modulating Actuator 323055-751 This boiler safety valve utilizes

This boiler safety valve utilizes a non-stick coating on the seat to prevent seizing during infrequent operation

maintaining the "whisper quiet" performance expected from M-Series and P-Series equipment

it is documented that these main valves should only be paired with genuine Spirax Sarco pilots engineered for the 25-Series diaphragm stroke

Robust Field Reliability: Equipped with electronic overload protection to prevent motor burnout and ensure consistent 45 in-lb torque delivery

and Richmond models

International Environmental 71159953 Modulating Actuator 323055-751 This boiler safety valve utilizesThe International Environmental 71159953 Modulating Actuator is a critical component for technicians managing HVAC control systems in commercial and industrial facilities. This 24V modulating actuator, often cross referenced as IEC 71159953 or B035 71159953, provides the high torque precision required for VAV systems, fan coil units, and air handling equipment. Designed for proportional control, it effectively regulates airflow or water flow by