Flow Switches

Dwyer AAFS Adjustable Air Flow switch is capable of detecting a wide range of air velocities with minimal user calibration.

The FS-2 features an aluminium weatherproof housing for outdoor installation. Paddles are adjustable to fit 1? to 8? size pipe. FS-2 is ideal for use in "flow or no flow" applications in cold and hot water systems. Perfect for proving flow in boilers, hot water heaters, and chillers.

This Dwyer vane operated flow switch is field adjustable for 1" to 6" pipe with a leak proof body. The SPDT switch is rated for 5 A @ 120/2580 VAC.

Flotect mini size vane operated flow switch made by W.E. Anderson, a division of Dwyer. Field Adjustable for ½" to 2" pipe. Leak proof body, waterproof.