Siemens Building Technology 331-2905 Actuator R-407A The Parker 77310 Coil

The Parker 77310 Coil

the plug-and-play wiring harness minimizes labor time while ensuring secure electrical connections

Using proprietary conductive microfiber technology

while the bracket mount configuration allows for straightforward integration into existing HVACR systems

It will automatically re-engage the heating circuit once the temperature drops below the 50°F reset threshold

Siemens Building Technology 331-2905 Actuator R-407A The Parker 77310 CoilThe Siemens Building Technology 331 2905 is a professional grade No. 4 Pneumatic Damper Actuator engineered for the gradual or positive control of outdoor air, return air, and exhaust dampers. As a veteran preferred HVAC pneumatic actuator, this unit features a rugged all metal body and a 4 inch stroke designed for longevity in demanding ventilating systems and terminal units like unit ventilators and mixing boxes. This model is equipped with an