Watts 757 OSY FXG 6 Part of the 757 Series Window Well Cover 50 Minimum Temperature Fahrenheit 33 Outlet 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 3 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Post Indicator Valve Outlet Thread Type Does Not Apply To Product Part Number 0111206 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 757DCDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet 757DCDA The channels are made from fiber reinforced polymer and are paired with a heavy duty steel frame and grates that lock down securely—designed for dynamic loads and demanding environments Tri link check valves are removable and serviceable without the use of any special tools This compact modular design with a single access sleeve for easy maintenance is approved for horizontal or vertical installation in accordance with the direction of the flow arrow on the assembly