McDonnell & Miller 67-G Low Water Cut Off Refrigerant or an oversized furnace for

or an oversized furnace for the existing ductwork

As a genuine Utica boiler replacement part

Reconnecting the wire or restoring the water level will trigger the automatic reset

) configuration by adjusting the internal linkage and motor orientation

It is highly recommended to verify the 3 MFD at 370 VAC capacitor requirements during installation

McDonnell & Miller 67-G Low Water Cut Off Refrigerant or an oversized furnace forThe McDonnell & Miller 67 G is a float operated mechanical low water cut off engineered specifically for steam boilers and millivolt service applications. For contractors managing residential or commercial steam systems, this auto reset control provides critical burner protection by interrupting the millivolt burner circuit if the water level drops to a dangerous point. The unit features dual precision switches, allowing for simultaneous low water cut