Isolated Coil Design: The isolated coil and case prevent grounding issues and electrical noise in sensitive control circuits

mechanical rooms

ensuring minimal downtime during critical calls

Common Questions Will this thermocouple fix a pilot light that keeps going out

it is recommended to use a stilling well or pipe to prevent the wire-suspended probe from drifting and causing false readings

Siemens Building Technology 331-4313 Actuator Els PW 17895 Isolated Coil Design: The isolatedThe 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.