Febco 856 66 76 86 SM 8 Part of the RK LF856 LF876 866 886 Series American Wick Drain 50 Minimum Temperature Fahrenheit 33 Outlet 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 6 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 F191640 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 This total rubber parts kit is used for replacing or repairing the relief valve assembly on a 2 1 2 and 3 inch lead free reduced pressure zone assembly series 009 used to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure LF886 Compatible Size Used On 6 IN Kit Type Check Spring Kit Lead Free YES Product Group KITS UPC 098268085020 This kit consists of all parts necessary to repair the spring module of the applicable valve