factory-spec finish on CW Series models

High-Temperature Durability: Fiberglass construction maintains structural integrity under condensing furnace operating conditions

Complementary AG or AH series actuators must be purchased separately

it delivers a high flow capacity of 23

and Teledyne Laars boiler parts

Siemens Building Technology 331-4313 Actuator Els PW 17895 factory-spec finish on CW SeriesThe Siemens 331 4313 No. 3 Pneumatic Actuator is a heavy duty, bellows operated rugged metal actuator designed for proportional control of medium to large dampers and terminal units. Operating within a 3 to 7 psi spring range, this unit provides a consistent 2 3 8 inch stroke for precise mechanical positioning. Engineered with a fixed mounting configuration and a neoprene diaphragm, it maintains high torque performance in demanding HVAC environments.