McDonnell & Miller 51-2 Water Feeder/Low Water Cut-OffThe McDonnell & Miller 51 2 Water Feeder Low Water Cut Off delivers reliable automatic water feeding and low water protection for boiler systems. This compact unit features a 1 inch threaded port connection and mechanical actuation for straightforward installation and dependable performance. 1" threaded port connection for easy piping and compatibility Mechanical actuation provides precise, maintenancefriendly control Series 2 Switch included for

Ease of installation: Replacement part designed for quick maintenance

Durable design built to withstand regular HVAC use

000 BTU/hr Natural Gas

along with flame supervision and system status indications

This linear

and associated equipment

and oil—at temperatures up to 180°F and pressure ratings that vary by medium (0–185 psi AC for air/inert gas

the pump is built for durability and easy retrofit into existing piping

OEM-grade fit

Enhanced overall fire-control timing accuracy and system reliability

Materials: Forged brass body

accurate modulation