Designed for both indoor and outdoor use, the WFD series operates across a wide temperature range, from 32°F to 120°F. Reliable Performance. UL-listed models are equipped with tamper …

Inside, two sets of SPDT (Form C) synchronized switches are enclosed in a durable terminal block to assure reliable performance. The WFD Series detectors incorporate a mechanical …

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System Sensor WFDTN T-Tap Waterflow detectors are designed for primary signaling in residential systems and branch line signaling. Features • New directional cover allows …

The new WFDTN Series waterflow detectors from System Sensor consists of a rugged, NEMA 4-rated enclosure that is more damage resistant than previous metal designs. The waterflow …

1. All models have two SPDT switches. Switch contacts COM and B are closed when water is flowing and open when it is not. Connect the switches, as shown in Figure 4, depending on the …

The WFD series sprinkler flow switches consists of a rugged, weatherproof enclosure. Designed for both indoor and outdoor use, the WFD series operates across a wide temperature range, …

Mar 7, 2024 · The WFD30N is a waterflow detector for installation on 3" steel pipe. System Sensor Waterflow Switches are compatible with schedule 7 through 40 steel pipe. Can be …

The System Sensor EPS10-1 and EPS10-2 Alarm Pressure Switches are designed for use in wet, dry, deluge, and pre- action automatic sprinkler systems to indicate a discharge

Simplified Operation. The WFD series is designed to simplify installation. Two conduit openings permit easy attachment to the local alarm system. The retard mechanism and dual SPDT …