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Designed for 24V AC systems
the ECONTH01AAUTOA typically includes an outdoor temperature sensor to facilitate automatic mode
this Johnson Controls actuator is the industry standard for maintaining consistent damper actuator performance in light to medium commercial applications
6 inches in diameter) designed for horizontal mounting using standard belly band brackets
Failure is typically caused by long-term exposure to thermal cycling or excessive moisture in the combustion area
Siemens Building Technology GCA121.1U Actuator 321042-401 Designed for 24V AC systemsThe Siemens GCA121. 1U is a high performance spring return rotary damper actuator designed for the heavy duty demands of commercial HVAC systems. Delivering a robust 142 lb in torque (rated up to 160 lb in in specific applications), this 24VAC damper actuator provides reliable on off 2 position control for return air, exhaust, and face and bypass dampers. Built with brushless DC motor technology, the unit features integrated stall protection to
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