The Model FS-2 from the W.E. Anderson Division of Dwyer Instruments, Inc. is an economical, durable paddle style flow switch with an adjustable set point. Unit features an adjustable paddle with four selectable lengths for large flow set point adjustments and an internal screw for fine adjustments.

The FS-2 has an excellent pressure rating of 145 psi (104 bar), temperature rating of 230°F (110°C), and incorporates a SPDT snap switch with a 10A at 250 VAC rating. IP64 rated aluminum housing adds the versatility of being weatherproof for outdoor installations. The flexible design can be installed in 1? to 8? size pipe for flow set points of 1.8 GPM (6.7 LPM) to 196 GPM (1500 LPM).

The unit is perfect for flow proving applications such as chillers, pumps, and emergency showers.