Watts LF957NRPDA DOSY CFM 4 Part of the LF957RPDA Series chat hdpe and pedestrian surfaces where both and pedestrian surfaces where both aesthetics and durability matter and reliable performance under varied weather conditions It is ideal for protection at cross connections identified as health hazards such as on fire sprinkler systems and from other contaminants found at the service line entrance 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 4 IN Outlet Connection Type Grooved Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number 0792393 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Series LF957RPDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet Flood Sensor Connection Kit Watts