Siemens Building Technology 331-2930 Actuator 321894-708 Reduced False Alarms: Field-adjustable pneumatic

Reduced False Alarms: Field-adjustable pneumatic retard prevents nuisance tripping from hydraulic hammers

or new belts appearing mismatched

Common Questions: Is the Sporlan C-607-S bi-directional

this replacement water heater switch (also identified as part 9006282015) ensures that your exhaust vent safety protocols remain compliant with manufacturer specifications

Siemens Building Technology 331-2930 Actuator 321894-708 Reduced False Alarms: Field-adjustable pneumaticThe 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