Watts 774-LF 12 - Part of the 774 Series roof-hatch-finder UPC - 098268608038

UPC - 098268608038

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 4 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number F111592 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

It is a self contained device consisting of disc-to-metal seating

while the secured cover allows controlled access to the space below

Mesh Specifications: The wire mesh has 3/4" openings

Watts 774-LF 12 - Part of the 774 Series roof-hatch-finder UPC - 098268608038This 12 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazard applications and from other contaminants