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this Model 3 E-P valve serves as a critical interlock between electrical signals and pneumatic actuators
and 881 cast iron models
What actuators are compatible with this 1
preventing accidental installation of incompatible infrared or ultraviolet-only amplifiers into the 7800 series module
Can I use this to replace the 033199-0539 model
Siemens Building Technology 331-2968 Actuator 321142-301 this Model 3 E-P valveAs a veteran HVACR technician, you know the reliability of the Siemens 331 2968 No. 4 pneumatic actuator. This pneumatic damper actuator is built with a rugged, all metal body designed for the positive or gradual actuation of HVAC dampers in mixing boxes, terminal units, and unit ventilators. Featuring a 4 inch stroke and an effective diaphragm area of 17. 9 sq. in., this unit provides the necessary thrust for precise air volume control. The 8 13 psi