Xylem-McDonnell & Miller 94-7B Low Water Cut-Off W/Potentiometer Switch 166300

The Xylem-McDonnell & Miller 94-7B 94 W/Pot. Switch 166300 is a low water cut-off and pump controller that includes a potentiometer switch. It is built specifically for steam boilers and works by measuring the water pressure in the system. When the pressure drops below a safe working level, the switch automatically shuts down the boiler to avoid overheating and potential damage. The built-in potentiometer also enables for fine-tuning of the pressure setpoint, ensuring that the boiler operates optimally. This switch is often used in Xylem-McDonnell & Miller 94 series boilers to improve system efficiency, reduce equipment failures, and extend boiler life.