System Sensor WFD25EXP Waterflow DetectorThe WFD25EXP is a waterflow detector for installation on 2. 5" steel pipe. System Sensor Waterflow Switches are compatible with schedule 10 through 40 steel pipe. UL, ULC Listed and FM Approved.

System Sensor ST-3 Sampling Tube

The SMB500 surface mount box may be used with certain System Sensor modules when flush or recessed mounting are not possible

— 4098-9717 Ionization Smoke

or 4-inch square standard electrical box

It also supervises the wiring to the connected loads and reports their status to the panel

single-mode fiber

8 Amp Power Supply With Preinstalled Expansion Mo

Each city circuit module has two circuits

Brushed Stainless Steel Trim Option

349 back box

and double-gang boxes

When the circuit is “armed” by selection from the fire alarm control panel