System Sensor, Booth 11039– The new WFDN Series Waterflow Detector is fully redesigned to meet the needs of today’s fire sprinkler professional. New features of the timer dial, cover and terminal block are designed to add convenience and save on installation time. The new timer dial is a first for waterflow detectors with a built-in time delay. Large and easy to turn, its high-contrast, pad-printed markings make it easy to set by feel in dimly lit or hard-to-reach locations. The directional cover is molded so it may only be installed in one orientation, allowing building owners or installers to see the direction of waterflow at a glance. The wire-ready terminal block is designed for intuitive wiring with a layout that places the common terminal on a different elevation, making it easy to determine how to properly wire the switch.

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