System Sensor WFD20EXP Waterflow Detector 2 In. Explosion-Proof
WFD20EXP: Water Flow Detector · 2in Steel Pipe UL Model Explosion Proof
The WFD Series is a sturdy UL-listed Water Flow Detector. This Detector is NEMA 4-rated and can be used for both indoor and outdoor applications in a vertical or horizonal mounting position. In addition, it offers the widest available temperature range, from 32°F to 150°F and it is approved for the widest range of pipe schedules, sizes 2 inch thru 4 inch pipe and Schedules 7 thru Schedule 40.
Key Features
- UL®-listed models are NEMA 4 rated
- Contains a sealed retard mechanism that is immune to dust and other contaminants
- Accommodates up to 12 AWG wire
- Includes upgraded wiring with a new terminal block layout and wire-ready terminals
- Equipped with a field-replaceable timer/switch assembly with an improved timer repeatability and accuracy
- Built with tamper-resistant cover screws
- Allows for visual and audible switch activation (73 dBA)
- Retains an enhanced switch synchronization that activates the following: alarm panel, local bell, horn strobe
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