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

The Xylem 193-B-7B is a combination float-operated low water cut-off and pump controller designed for commercial and industrial steam boilers with water columns. This critical safety and control device protects boilers from low water conditions while maintaining optimal water levels through automated pump control.

Key Features:

• Automatic reset functionality for continuous operation
• Includes 7B single pole single throw switches for low water cut-off and pump control
• Proportional control switch maintains constant boiler water levels regardless of pressure fluctuations
• Magnetic repulsion design eliminates the need for bellows, improving reliability
• Integral water column with 3/4" NPT tappings for gauge glass and tri-cock installations
• Maximum operating pressure: 150 PSI (10.5 kg/cm²)
• Tapped 1-1/4" FIP connection for easy installation

This controller is engineered for demanding commercial and industrial applications where reliable boiler protection and precise water level management are essential. The float-operated mechanism provides dependable performance, while the proportional control ensures consistent water levels under varying steam demand conditions.