WATTS® 88004111 LF009-FS In-Line Backflow Preventer, 3/4 in

This 3/4 inch lead-free reduced pressure zone backflow preventer safeguards potable water by stopping contaminated water from flowing backward into the supply. Its compact, modular design allows straightforward maintenance via a single access cover for in-line servicing. Perfect for continuous pressure systems and cross-connections posing health risks, it features a lead-free bronze body, 3/4 inch NPT connections, quarter-turn ball valve shutoffs with tee handles, and top-mounted test cocks. The assembly includes two independent check valves with captured springs, replaceable check seats, an internal relief valve, and an integrated flood sensor with SentryPlus™ Alert technology to detect and notify users of potential flooding through an add-on sensor kit.