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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Does this include the actuator or just the internals
Specifically designed to interface correctly with door interlock switches for safe operation
Built with a 1/4" flare connection (7/16"-20 UNF)
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 Does this include the actuatorThe 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