Watts 757-DNRS 3 - Part of the 757 Series Inserta Tee With a full 10″ sump

With a full 10″ sump

these drains combine structural durability with effective water management to protect surfaces from excess water buildup

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 4 IN Outlet Shutoff Valve Type No Shutoff Valve Outlet Thread Type Does Not Apply To Product Part Number 0438007 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 774DCDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet - 774DCDA

860 pounds per hour at 15 PSI Protection Type Pressure Series 415 Specification Sheet - 415

Watts 757-DNRS 3 - Part of the 757 Series Inserta Tee With a full 10″ sumpThis 3 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. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the