Siemens GVD221.1U Fire/Smoke Damper Actuator 2-Position Control Spring Return 120V | PartsHnC
Siemens GVD221.1U Fire/Smoke Damper Actuator is a device for controlling fire and smoke dampers in HVAC systems. This actuator is 120 VAC, with a high torque to maintain a constant damper setting. It is for applications that need a clear open or closed with a 2 position control function. Perfect for situations with up to 95% relative humidity it works in multiple of the most extreme conditions.