Siemens SKP25.201E1 Gas Valve Actuator 110V Pressure Regulating Governor Obsolete 100 control box also has

100 control box also has a designed lifetime of 250

for stack dia up to 400mm

103C27 - Blue-flame detector

255C2 control box is designed for the startup and supervision of 2 stage forced draft oil burners with intermittent operation

off or over on changes in actual pressure relative to the set switching point (reference value)

Siemens SKP25.201E1 Gas Valve Actuator 110V Pressure Regulating Governor Obsolete 100 control box also hasSiemens SKP25. 201E1 Gas Valve Actuator (110V) The Siemens SKP25. 201E1 is an electro hydraulic actuator used on industrial and commercial combustion systems where reliable gas valve operation and rapid fail safe closure are required. SKP25 actuators are safety critical components. If an actuator fails, the valve may not complete its stroke correctly, often leading to burner lockout or shutdown. This unit is supplied for direct like for like