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and the sensing bulb must be positioned so the capillary end is higher than the plugged end
Field Serviceable: Designed with standardized internal parts
ensuring the system operates at peak designed capacity
this valve provides critical overpressure protection for equipment rated up to 1
Siemens Building Technology GCA164.1U Actuator 319825-402 and the sensing bulb mustThe Siemens GCA164. 1U Actuator is a heavy duty modulating spring return damper actuator designed for HVAC systems requiring high torque performance and reliable fail safe operation. Built with a rugged all metal housing, this OpenAir GCA Series drive delivers 160 lb in torque (18 Nm) to manage large dampers in VAV systems, mixed air units, and exhaust applications. It operates on 24VAC DC power and accepts a 0 10 VDC control signal, providing precise