Watts 774DCDA-DOSY-CFM 4 - Part of the 774DCDA Series American Wick Drain Iron grates are painted black

Iron grates are painted black to inhibit rust and over time will form a protective iron-oxide patina

Lasting service for a wide range of potable water applications

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 3 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 F439401 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 994 Strainer No Technologies Flood Detection Tradename None Specification Sheet - 994

00 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 1/2 IN Outlet Connection Type Press Outlet Shutoff Valve Type Quarter Turn Ball Valve Outlet Thread Type Does Not Apply To Product Part Number 0063242 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Rubber Series LF007 Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet - LF007 Sizes 1/2 - 2 IN

Specification Sheet - LF800M4FR (Spanish)

Watts 774DCDA-DOSY-CFM 4 - Part of the 774DCDA Series American Wick Drain Iron grates are painted blackThis 4 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and 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 hazards such as on fire protection