McDonnell & Miller 247 Boiler Water Feeder

McDonnell & Miller 247 Boiler Water Feeder is a reliable mechanical water feeder for steam and hot-water boilers, delivering precise makeup water with straightforward mechanical actuation. Designed for compatibility with standard boiler rooms, it ensures steady water levels and protects boiler efficiency.

Key specs include a port connection 1/2 inch threaded x 1 inch threaded, compact dimensions of 7-5/16 in W x 9-1/8 in H, and UL/CSA-listed construction for safe operation. The unit supports both 120/240 Volt AC service, with full-load currents of 10.2 A at 120V or 5.1 A at 240V, and locked-rotor values of 61.2 A at 120V or 30.6 A at 240V. It accepts a standard 120/240V, 60 Hz supply and handles up to 120°F inlet water and up to 150 PSI water pressure (and 30 PSI boiler pressure).

• Port connection: 1/2" threaded x 1" threaded
• Actuation: Mechanical
• Dimensions: 7-5/16" W × 9-1/8" H
• Electrical: 120V or 240V AC; full-load and locked-rotor current ratings listed
• Media handled: Steam, Hot Water
• Pressure rating: 150 PSI (water), 30 PSI (boiler)
• Standards: UL, CSA