Xylem 193 Low Water Cut-Off and Pump Controller for Steam Boilers

The Xylem McDonnell & Miller 193 is a combination low water cut-off and pump controller designed for commercial and industrial steam boiler applications with pressures up to 150 PSI. This critical safety device provides continuous protection against dangerous low water conditions while satisfying pump control needs for boilers of any steaming capacity.

Key Features:

• Magnetic repulsion technology eliminates the need for bellows, providing reliable long-term operation
• Integrated water column with tappings for gauge glass and tri-cock installations
• Standard 1-inch NPT connections with 1/2-inch NPT column connections for water gauge valves
• No. 5 Switch included with automatic reset for low water cut-off protection
• Maintains consistent water level regardless of boiler pressure fluctuations
• Maximum working pressure: 150 PSI (10.5 kg/cm²)

The Series 193 water column body (#163400) serves as the foundation for various control configurations and is compatible with optional manual reset and proportional control switches. This unit is engineered for demanding commercial and industrial steam boiler installations where reliable water level monitoring and pump control are essential for safe, efficient operation.