Siemens Building Technology GCA156.1U Actuator 321142-301 High-Pressure Compatibility: Rated for both

High-Pressure Compatibility: Rated for both ANSI 125 and ANSI 250 bronze flanged valves

Comprehensive Internal Trim: Includes all necessary PRV service parts

This DG6U-3 pressure switch is suitable for positive pressure

ensuring a secondary seal that prevents steam loss and maintains system pressure

or evidence of "wobble" during operation

Siemens Building Technology GCA156.1U Actuator 321142-301 High-Pressure Compatibility: Rated for bothThe Siemens GCA156. 1U is a heavy duty OpenAir spring return electronic damper actuator engineered for precise modulating control in demanding commercial HVAC systems. This 24V AC DC unit delivers a robust 142 lb in torque (160 lb in nominal) to effectively manage large dampers in VAV terminals, air handlers, and mixed air applications. Built with brushless DC motor technology, it features integrated stall protection to prevent motor burnout, ensuring