Watts 009M2 LF FS 3 4 Part of the 009 Series geogrid hydronic heating applications to separate hydronic heating applications to separate air from water in the piping system These raised dome pads are placed in wet set concrete and serve as an indicator to those with visual impairment that there might either be vehicle traffic This backflow assembly includes flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 3 4 IN Outlet Connection Type Female Threaded Outlet Shutoff Valve Type No Shutoff Valve Outlet Thread Type NPT Part Number 88004025 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Stainless Steel Series 009 Strainer No Technologies Flood Detection Tradename None Field Guide Backflow Preventer Repair Parts 007 and 009