Siemens Building Technology GCA126.1U Actuator mario the Aprilaire 1213 fits all

the Aprilaire 1213 fits all Model 2200 and 2120 units

turn the setpoint screw clockwise until the Status Open LED illuminates

Visible soot accumulation

Whether you are performing a pressure test on a new installation or replacing a failed analog pressure gauge in an existing manifold

This genuine OEM part is the designated 100109935 replacement for 9004550215

Siemens Building Technology GCA126.1U Actuator mario the Aprilaire 1213 fits allThe Siemens GCA126. 1U is a heavy duty OpenAir spring return actuator engineered for 2 position control in demanding HVAC systems. This 24VAC DC damper actuator delivers a robust 160 lb in torque (18 Nm), making it an industry standard for managing return air, exhaust, and face and bypass dampers in high capacity air handling units. Designed for fail safe reliability, the bi directional spring return ensures dampers reach a secure position during