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Optimized Airflow: Delivers 1550 RPM to maintain designed CFM in fan-coil and unit heater applications
Common indicators include the unit failing to respond to thermostat commands
away from direct heat sources or drafty windows
High-Voltage Precision: Delivers 15
For 3/4" assemblies
Siemens Building Technology GVD221.1U Actuator 340155-7026 Optimized Airflow: Delivers 1550 RPMThe Siemens GVD221. 1U OpenAir damper actuator is a robust 120V spring return actuator engineered specifically for high stakes fire and smoke damper control. This 2 position actuator provides critical fail safe performance, ensuring dampers return to a predetermined safety position upon power loss or alarm signal. Designed for commercial HVAC systems, it delivers 30 lb in of torque, making it a reliable solution for managing smoke containment and
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