Xylem 247 McDonnell & Miller Mechanical Water Feeder for Boilers

The Xylem McDonnell & Miller 247 is a mechanical water feeder designed for steam and hot water boilers with cold water feed systems. This float-style unit provides continuous maintenance of minimum safe water levels, operating independently of electrical service for reliable performance.

Key Features:

• Proportional feed action for precise water level control
• Quick-change replaceable cartridge valve and strainer for easy maintenance
• Isolated feed valve design minimizes lime and scale build-up
• Quiet, durable operation in demanding environments
• Can be field upgraded with a No. 2 switch to add low water cut-off function

Technical Specifications:

• Maximum water supply pressure: 150 PSI (10.5 kg/cm²)
• Maximum inlet water temperature: 120°F (49°C)
• Maximum vessel pressure: 30 PSI (2.1 kg/cm²)
• Connection size: 1/2 inch threaded
• Dimensions: 9.125 inches height x 7-5/16 inches width
• Reset type: Automatic

This mechanical water feeder is ideal for maintaining proper water levels in steam and hot water boiler applications, ensuring safe and efficient operation while reducing the risk of low water conditions that could damage equipment.