08/17/2026
🚒 PRODUCT OF THE WEEK 🚒
Safe Signal™ WFDTN Series Waterflow Detectors
When your fire sprinkler system activates, you need to know immediately. The Safe Signal™ WFDTN Series waterflow detectors are designed for primary signaling in residential systems and branch line signaling — delivering fast, reliable activation in a rugged NEMA 4-rated enclosure built to handle both indoor and outdoor environments.
✔️ NEMA 4 rated — rugged, weather-resistant enclosure more damage-resistant than previous metal designs
✔️ Widest available temperature range — reliable operation from 32°F to 150°F
✔️ Sealed re**rd mechanism — helps prevent false alarms from dust and contaminants
✔️ 73 dBA audible activation — clear mechanical click confirms switch activation
✔️ Directional flow cover — easy flow-direction visibility for installers & inspectors
✔️ Wire-ready terminals — improved terminal layout supports wiring up to 12 AWG
✔️ Two sets of SPDT (Form C) synchronized switches — enclosed in a durable terminal block
✔️ Fits 1", 1-1/4", 1-1/2" & 2" NPT threaded ferrous, brass & copper sweat tees
✔️ 12 clearly marked plastic paddles included — fits a wide range of installation configurations
✔️ UL Listed — tamper-resistant cover screws prevent unauthorized entry
In stock at all Allied locations ⬇️
📍 Los Angeles – (323) 592-3416
📍 Sun Valley – (818) 764-9800
📍 Riverside – (951) 409-9944
📍 San Diego – (619) 233-3314
Allied | Supplying Your Success Since 2004.