McDonnell Miller (110800) No. 7-B Switch AUTO RESETSwitches for series 93,193, 94, and 194 combination low water cut off pump controllers for steam boilers. 1 Single pole, double break switch provided for low water cut off or alarm actuation. Proportioning valve to maintain a constant water line. Provides flexibility for selection of functions such as alarm actuation, valve actuation control, or low water cut off control. Optional feature manual reset Part Number : 110800 Model: 7B Details: For use

Magnetic repulsion eliminates need for bellows

Model: 625

Maximum inlet water temperature 120°F (49°C)

refer to thermostat specs

Its maximum pressure is 50 psi and it has a tapped 1" FIP connection

the VA series electric zone valve actuator is a new concept in zone controls

Part Number: 269241

Model 150S-HD replacement head mechanism with snap-action switch assembly repairs Series 150S and Series 157S low water cut-off pump controllers for steam boilers

Part Number: 257220

Part Number: 340182

cut-off and alarm actuation

Model: 51-2-HD