Mcdonnell & Miller 193-B-M, Combo Low Water Cut-Off & Pump Controller w/ #5 Switch, w/ Alternate Tappings, w/ Manual Reset (Steam)

" For commercial and industrial low or high pressure steam boilers Specifications Maintains consistent water level regardless of pressure Water column with integral tappings for gauge glass and tri-cock installations For boilers of any steaming capacity No. 5 Switch included Magnetic repulsion eliminates need for bellows 1"" NPT connections Maximum pressure 150 psi (10.5 kg/cm2) "