Siemens Building Technology 331-2930 Actuator 321894-708 ensuring the system maintains peak

ensuring the system maintains peak flow without restriction

What type of tubing is compatible with the compression fittings

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

This axial flow fan is specifically engineered for PTAC units 9k to 15k BTU

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

Siemens Building Technology 331-2930 Actuator 321894-708 ensuring the system maintains peakThe 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