Siemens GCA126.1U Damper ActuatorThe Siemens GCA126. 1U Damper Actuator is a precision direct coupled, electronic 2 position damper actuator with spring return, designed for HVAC dampers. It operates on 24 Volt AC DC with 50 60 Hz, delivering reliable, fail safe control for ventilation systems. This actuator combines robust torque, compact size, and durable construction to support a wide range of damper applications. Key specs include 380 in lb torque, a 95 degree rotation, and a die

Designed for tough commercial settings

Forged brass body with nickel-plated stem and Buna N paddle

plus Auto/Manual Changeover for seamless transitions between heating and cooling

Connections: 3/4" conduit or screw-terminal

Durable build: engineered for busy commercial environments and long-term reliability

it provides a reliable

Negative pressure sensing at -1

and gas-air mixtures

and easy integration with existing control circuits

Applications: Hot water/steam service

Flow rate up to 2000 CFM with 0

Heil Quaker/ICP 1149021 is a 24V 3/4 inch valve designed for natural gas systems