Mcdonnell & Miller 93-7B, Float Type Low Water Cut-off/ Pump Controller w/ 7B Switch (Steam)

Float type low water cutoff, for steam or hot water boilers. Automatic reset, 120 volt dual switches for low water cut-off and alarm or electric water feeder. Maximum pressure is 50 psi. Side tapping is 2-1/2" female IP for installation with a nipple directly into the boiler. Features: For commercial and industrial low or high pressure steam boilers Maintains consistent water level regardless of pressure For boilers of any steaming capacity No. 5 Switch included Magnetic repulsion eliminates need for bellows Optional features - Manual reset 7B switch (135ohm proportional control signal) to maintain constant boiler water level 1" NPT connections Maximum pressure 150 psi (10.5 kg/cm2)