FS8-W Flow Switch
FS4-3 Flow Switch

What is a Flow Switch used for?

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.

A complete line of Liquid Flow Switches has been developed for a wide range of applications and literally hundreds of uses, including:

Air Conditioning
Hot Water Space Heating Systems
Hot Water Supply Systems
Pump Systems
Water Cooled Equipment
Blending or Additive Systems
Liquid Transfer Systems
Fire Sprinkler Systems
Water Treatment Systems
Swimming Pool Chlorination
Industrial Laser Coolant System