Siemens Building Technology GCA156.1U Actuator R-134A this is a fixed-setting switch

this is a fixed-setting switch

this OEM-certified kit provides the precision-machined components necessary to transition fuel delivery systems while maintaining factory-standard combustion efficiency

This ignitor is specifically designed for the Raypak Hi Delta line

This kit is specifically calibrated for these dimensions and internal lift characteristics

What does a DPDT switch do in a boiler application

Siemens Building Technology GCA156.1U Actuator R-134A this is a fixed-setting switchThe 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