McDonnell & Miller 51 Water Feeder/Low Water Cut-Off

The McDonnell & Miller 51 Water Feeder/Low Water Cut-Off is a reliable boiler safety device designed to automatically feed water and prevent low-water conditions. This water feeder/low water cut-off combines essential protection with straightforward mechanical actuation to safeguard your steam or hot-water system.

With a 1 inch threaded port, a 10-3/8 inch diameter, and a robust electrical rating that supports 120/240 VAC, the unit delivers dependable operation across standard power supplies. Its mechanical actuation ensures precise water level control, while the device meets UL and CSA standards for safety and quality.

• Port connection: 1 inch threaded
• Actuation type: Mechanical
• Dimensions: 10-3/8" diameter
• Electrical rating: 10.2 A @ 120V AC / 5.1 A @ 240V AC (full load); 61.2 A @ 120V AC / 30.6 A @ 240V AC (locked rotor)
• Input supply rating: 120/240 VAC at 60 Hz
• Temperature/Pressure: 120°F inlet water; 150 PSI (water) / 35 PSI (vessel)
• Media handled: Water
• Certifications: UL, CSA

Ideal for boiler rooms, this device protects equipment and reduces maintenance by ensuring consistent water levels. The McDonnell & Miller 51 Water Feeder/Low Water Cut-Off is a trusted choice for reliable boiler protection.