The WFD40N is a waterflow detector for installation on 4 in. steel pipe. System Sensor Waterflow Switches are compatible with schedule 7 through 40 steel pipe. Can be mounted in a vertical or horizontal position. The sealed retard mechanism is immune to dust and other contaminants. Visual switch activation for indoor and outdoor use. Switch assembly and delay mechanism assembly are field replaceable. UL, ULC Listed and FM Approved.
Manufacturer Part Number: WFD40N
WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov