Watts 909RPDA-OSY-CFM-FS 4 - Part of the 909RPDA Series Inserta Tee 50 Minimum Temperature-Fahrenheit 33 Outlet

50 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 F113054 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material EPDM Series 957RPDA Strainer No Technologies Flood Detection Tradename None Specification Sheet - 957RPDA

This 2 1/2 inch stainless steel double check valve backflow preventer assembly is designed to prevent the reverse flow of objectionable but not toxic water from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements

This 10 IN domestic full lug style butterfly valve

Install horizontally or vertically

Watts 909RPDA-OSY-CFM-FS 4 - Part of the 909RPDA Series Inserta Tee 50 Minimum Temperature-Fahrenheit 33 OutletThis 4 inch reduced pressure detector backflow preventer assembly prevents the reverse flow of fire protection system substances from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure. This assembly consists of an epoxy coated cast iron body, OSY resilient seated gate valves, captured spring check valves, replaceable stainless steel seats, top mounted test cocks, a pressure differential relief valve,and