Siemens Building Technology GCA164.1P Actuator 326058-757 the NEMA 4X rating indicates

the NEMA 4X rating indicates that the solenoid enclosure is designed for both indoor and outdoor use

The Watts 740 series utilizes a large orifice design and a silicon-coated EPDM disc to ensure positive shut-off and prevent seat leakage during normal thermal expansion cycles

the power element and spring rate in the VAL8611 are specifically designed for the pressure-temperature curve of R-22 refrigerant

Reliable HVAC draft inducer performance is essential for preventing carbon monoxide buildup and ensuring long-term operational stability in demanding commercial settings

The rigid aluminum construction provides structural integrity

Siemens Building Technology GCA164.1P Actuator 326058-757 the NEMA 4X rating indicatesThe Siemens Building Technology GCA164. 1P Actuator is a heavy duty modulating spring return actuator engineered for precise control in high torque HVAC applications. Delivering 160 lb in torque, this OpenAir electronic actuator is built to handle large dampers in return air, exhaust, and face and bypass systems. Operating on 24VAC DC, the unit utilizes a 0 10VDC control signal with adjustable span and offset functionality for field calibrated