This part is the designated replacement for several older boiler control boards in the CGi series

reducing the need for extensive valve body inventory

locker rooms

Check your serial plate

Does this kit include the necessary circuit breakers

Siemens Building Technology S55155-A111 Control R-407A This part is the designatedThe Siemens S55155 A111 is a high performance Powermite MT Series electronic actuator designed for precise 0 10 Vdc proportional control in demanding HVAC applications. Engineered for seamless integration with MT Series terminal valves, this spring return actuator provides a nominal force of 300N (67 lbf), ensuring reliable fail safe positioning during power loss. Operating on 24Vac, the unit features a linear 7 32 inch (5. 5mm) stroke and a rapid