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Common indicators include no-power conditions at the indoor unit
facilitating a familiar installation process for field technicians
including the FB
For field technicians managing commercial HVAC installations
Integrated Service Port: Built-in 1/4 inch flare access valve simplifies diagnostic testing and maintenance
Siemens Building Technology 331-2930 Actuator 319847-401 Common indicators include no-power conditionsThe Siemens Building Technology 331 2930 Actuator is a heavy duty, metal fabricated No. 4 pneumatic damper actuator designed for reliable control of HVAC systems. This pneumatic piston type actuator features an integral pivot mount and 4 inch stroke, providing the linear force necessary for the gradual or positive actuation of outdoor air dampers, mixing boxes, and fire smoke dampers. With a 3 13 psi spring range, this unit is engineered for precision
