Watts LF757NDCDA OSY GPM 4 Part of the LF757DCDA Series American Wick Drain Works inside the Inline Catch Works inside the Inline Catch Basin for the BG FILCOTEN® 100 trench drain line Specifications Adjustable Reduced Pressure Range 3 to 15 Body Material Iron Brand Watts Buy American Act Compliant NO Gauge Option No Gauge Inlet Connection Size 1 2 IN Inlet Connection Type Female Threaded Lead Free NO Maximum Working Pressure BAR 14 00 Minimum Temperature Fahrenheit 33 Outlet Connection Size 4 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 0124700 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series LF757DCDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet LF757DCDA This assembly consists of two independently operating tri link check valves