McDonnell & Miller Series 193 Low Water Cut-off/Pump Controller For Steam Boilers

For commercial and industrial low or high pressure steam boilers. Maintains consistent water level Regardless of pressure. Water column with integral tapings for gauge glass and tri-cock installations. 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). Made in the USA.