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Enhanced System Stability: Eliminates rapid temperature fluctuations and "cold blow" issues common with failing HVAC sequencers
Key Benefits for Technicians: Sensing Coverage: The 20-foot sensing element detects the lowest temperature along any portion of its length
Broad Media Compatibility: Rated for use in water
The base is specifically designed for cross-compatibility
Infinite speed range allows for precise tuning of air volume and static pressure
Siemens Building Technology GCA221.1U Actuator 320735-701 Enhanced System Stability: Eliminates rapidThe Siemens GCA221. 1U is a high torque spring return rotary actuator engineered for reliable control of building automation dampers and valves. Operating on 120 VAC, this Open Closed (on off) actuator delivers 142 lb in (16 Nm) of torque, making it a standard choice for large air handlers and systems requiring fail safe positioning. Designed for mechanical spring return during power loss, it ensures the controlled component returns to its safety
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