Watts 909RPDA DOSY GPM FS 4 Part of the 909RPDA Series ZA100F 3NH 50 Minimum Temperature Fahrenheit 33 Outlet 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 3 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type No Shutoff Valve Outlet Thread Type Does Not Apply To Product Part Number 88009315 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Stainless Steel Series LF909 Large Strainer No Technologies Flood Detection Tradename None Specification Sheet Flood Sensor Connection Kit Watts Z668 6NH AR Features Features a flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve This backflow assembly contains a flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve