Products By Category Sensors Water Detectors WFD Series Waterflow Detector [ {"carouselId":"Long_Description","carouselLabel":"Long Description"}, …

An optional cover tamper switch is available, securely snaps into place, no tools required. The WFDN series incorporates a mechanical time delay feature, which minimizes the risk of false …

The System Sensor WFDN series is compatible with schedule 7 through 40 steel pipe, for sizes 2 in. through 4 in. and compatible with schedule 10 through 40 steel pipe, sizes 5 in. through 8 …

System Sensor 2-1/2" Water Flow Switch (WFD25N) SKU: 7710009S $138.44 each Add to Cart

System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. Can be mounted in a vertical or horizontal position. The sealed retard mechanism is immune to …

System Sensor EPS10 Series switches are designed for use in wet, dry, deluge, and pre-action automatic Sprinkler systems to indicate a discharge from a sprinkler.

The WFD series incorporates a mechanical retard feature, which minimizes the risk of false alarm due to pressure surges or air trapped in the sprinkler system. In addition, the mechanical …

Learn how to wire a system sensor water flow switch with the help of a detailed wiring diagram. This article provides step-by-step instructions and illustrations to ensure a proper installation …

WFD Series Waterflow Detector The System Sensor WFD series is compatible with schedule 10 through 40 steel pipe, sizes 2 ̋ through 8 ̋, and can be mounted in a vertical or horizontal position.

flow of water stops before the entire delay has elapsed. All switches actuate when the water flow rate is 10 gallons per minute or greater, but will not a tuate if the flow rate is less than 4 gallons …