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McDonnell Miller Low Water Cutoffs & Flow Switches
LOW WATER CUTOFFS McDonnell & Miller Low Water Cut-offs are specially designed to protect steam boilers from the hazards of a low water condition. In operation they will interrupt the electrical current to the firing device, if the water in the system drops below the boiler manufacturers’ minimum safe water level. These low water cut-offs also provide an additional circuit for a water feeder or a low water alarm, should you desire to install one, for additional protection.
LIQUID FLOW SWITCHES The flow of liquids in pipelines plays an important role in industry and commerce. Under most circumstances it is essential to know whether or not there is a flow in a pipeline, and to act upon that knowledge. That is the reason for, and the function of, McDonnell & Miller Flow Switches.