5-inch bolt circle flange allows for easy access to internal components

secure attachment to the piping

preventing valve chatter and ensuring responsive performance under high-duty cycles

making it ideal for systems requiring a non-stop ignition source without overheating

the 4022702S eliminates common ignition issues and delayed combustion caused by scaled or corroded burner ports

Siemens Building Technology 331-947 Link Kit 320788-703 5-inch bolt circle flange allowsThe Siemens Building Technology 331 947 Link Kit is a heavy duty mechanical linkage assembly engineered for precise modulation in pneumatic damper systems. This kit is specifically designed for integration with Siemens No. 3, No. 4, and No. 6 pneumatic actuators, providing the essential connection between the actuator piston and the damper shaft. The assembly includes a 4 inch damper rod, a high articulation ball joint, and a robust crank arm,