Febco FRK 867 S1 Part of the RK 867 Series Basement Window Well Galvanized Body and Clamp Galvanized Body and Clamp 00 Minimum Temperature Fahrenheit 33 Outlet Connection Size 4 IN Outlet Connection Type Grooved Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number 0112052 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 Fits 2 1 2 and 3 inch reduced pressure zone assembly All parts are made of high quality materials