Febco FRK 880V Part of the RK 850 856 870V 876V 860 880V Series Access Tile 3″ invert 3″ invert 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 8 IN Outlet Connection Type Grooved Joint Outlet Shutoff Valve Type Gear Operated Butterfly Valve Outlet Thread Type Does Not Apply To Product Part Number 0111538 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 757 Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet 757 Specifications Compatible Series or Model 8860 Fits 2 1 2 to 10 inch reduced pressure zone assembly