Watts LF757DCDA-OSY-LM 4 - Part of the LF757DCDA Series Window Well Cover 50 Minimum Temperature-Fahrenheit 33 Outlet

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 4 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Non Rising Stem Gate Valve Outlet Thread Type Does Not Apply To Product Part Number F111616 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 957 Strainer No Technologies Flood Detection Tradename None Specification Sheet - 957

UPC - 098268782141

The 10 mil thick Dura Skrim 10FR fire-retardant film is designed for applications that require high puncture and tear resistance alongside fire safety

Shutoffs not included

and an atmospheric vent to prevent spilling

Watts LF757DCDA-OSY-LM 4 - Part of the LF757DCDA Series Window Well Cover 50 Minimum Temperature-Fahrenheit 33 OutletThis 4 IN lead free double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. It is designed for non health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. It is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water.