Watts 709DCDA DOSY GPM3 4 3 Part of the 709DCDA Series chat hdpe This double check valve seat This double check valve seat repair kit is designed to protect drinking water supplies from dangerous cross connections in accordance with national plumbing codes and water authority requirements 50GSM: General use woven geotextile with excellent resistance to environmental conditions 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 3 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 0389186 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Bronze Series 709DCDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet 709DCDA The coating on this backflow assembly uses ArmorTek®