WW00067101, Watts, Wet Location Flow Switch, Nema 4, Two 7/8 In Electrical Knock-Outs, For 1/2 In Conduit, 1 In Npt Connection

This wet location flow switch, model FS-400-W, is used to start or stop electrically operated equipment such as burners, pumps, or alarms by detecting liquid flow through piping. It is designed for use in water media application and is not intended for use of highly corrosive fluids. This flow switch has a switch enclosure rating of NEMA 4, for accurate monitoring of liquid flow in pipelines.