Watts 774-NRS 6 - Part of the 774 Series ZA100F-8NH Features Diaphragm assembly

Features Diaphragm assembly

Thermoplastic and stainless steel check valves for trouble free operation

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 0439506 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Series 774 Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet - 774

No minimum inlet/outlet piping length is required for proper operation

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 3/4 IN Outlet Connection Type Male Threaded Outlet Shutoff Valve Type No Shutoff Valve Outlet Thread Type NPT Part Number 0072208 Polymer Coating No Pressure Operation Continuous Protection Type Backsiphonage Seat Material EPDM Series LF7R Strainer No Specification Sheet - LF7R

Watts 774-NRS 6 - Part of the 774 Series ZA100F-8NH Features Diaphragm assemblyThis 6 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality 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 hazard applications and from other contaminants