Johnson Controls D-3153-104 Stop Screw Kit As a Class II energy-limiting

As a Class II energy-limiting transformer

this specific part number is optimized for Weil McLain configurations to match their boiler trim and shank requirements

Replacing a tripped limit switch with this factory-spec component restores the safety sequence

reducing the risk of leaks in high-vibration mechanical environments

Because this is a manual reset model

Johnson Controls D-3153-104 Stop Screw Kit As a Class II energy-limitingFor veteran field technicians managing pneumatic control systems, the Johnson Controls D 3153 104 is the essential stop screw kit required to calibrate the power stroke on D 3153 pneumatic actuators. Whether you are performing a piston damper actuator repair or setting up new HVAC pneumatic controls, this kit allows for precise mechanical travel limitation when dampers must maintain a minimum air circulation point. The assembly includes two heavy duty