Xylem 193-7B Low Water Cut-Off and Pump Controller with Water Column

The Xylem-McDonnell & Miller 193-7B is a combination low water cut-off and pump controller that provides continuous protection against low water conditions while satisfying pump control needs for commercial and industrial steam boilers. This unit includes an integrated water column with a 7-B potentiometer switch (0-135 Ohm) and is rated for steam boilers with a maximum pressure of 150 PSI.

Key Features:

• Maintains consistent water level regardless of pressure variations
• 7B switch with 135 ohm proportional control signal to maintain constant boiler water level
• Magnetic repulsion technology eliminates the need for bellows
• Water column features integral tappings for gauge glass and tri-cock installations
• 1-inch NPT connections for easy installation
• Maximum operating pressure of 150 PSI (10.5 kg/cm²)
• Suitable for boilers of any steaming capacity

Designed for commercial and industrial low or high pressure steam boiler applications, this control ensures reliable water level management and safety protection. The proportional control function works with modulating makeup valves to precisely maintain optimal water levels in your boiler system.

Manufacturer Part Number: 164400