McDonnell & Miller 150S Pump Controller

The McDonnell Pump Controllers are used for boilers of any size with separate water columns. It is designed for high pressure, high temperature service with a float-actuated electrical switch controls. Keeps boiler water level within the limits recommended for maximum steaming efficiency and fuel economy. Includes a second switch, operating at a lower level, which provides a circuit for stopping the automatic burner and sounds an alarm. 1" NPT connections; Maximum pressure: 150 PSI

Technical Literature: