Belimo GKB24-3 Actuator R-448A The slow opening gas valve

The slow opening gas valve design ensures a soft ignition by gradually ramping up gas flow

If your system requires a specific ECM or PWM signal for variable speed

Simplified Installation: Features a direct-coupled mounting design and accessible screw terminals to reduce time on the job site

ensuring the heating system operates within its intended safety and performance parameters

As a genuine Source 1 OEM replacement part

Belimo GKB24-3 Actuator R-448A The slow opening gas valveThe Belimo GKB24 3 is a high torque fail safe damper actuator designed for demanding commercial HVAC applications. Engineered to deliver 360 in lb [40 Nm] of torque, this 24V actuator provides reliable on off or floating point control for dampers up to approximately 90 square feet. Built with a brushless DC motor, the unit utilizes an Application Specific Integrated Circuit (ASIC) for precise rotation monitoring and digital rotation sensing (DRS) to