McDonnell & Miller Low Water Cut-Offs

Low water cut-offs (LWCOs) from McDonnell & Miller hold a boiler's water level at the recommended limit to maintain maximum efficiency. LWCOs are mounted at the boiler water line and start and stop the pump as the boiler water dictates. McDonnell & Miller low water cut-offs are available in several styles, with pump controls if desired, for commercial and industrial low or high-pressure boiler applications.