Watts 957N-DOSY 4 - Part of the 957 Series Window Well Extension When the valve is installed

When the valve is installed off the main line on the branch of a tee

UPC - 098268617696

Specifications Body Material Lead Free Copper Silicon Alloy Brand Watts EAN 098268574609 Inlet Connection Size 3/4 IN Inlet Connection Type Female Threaded Inlet Thread Type NPTF Lead Free YES Maximum Working Pressure-PSI 63 Outlet Connection Size 3/4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPTF Part Number F121472 Pressure Range Does Not Apply To Product Pressure Relief Setting-PSI 85 Series LF174A Specification Sheet - Flood Sensor for Relief Valve Discharge Line

Sustainable & Durable – Made from recyclable

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 2 IN Outlet Connection Type Union Joint Outlet Thread Type NPT Part Number 0009436 Series LF25AUB-Z3 Standard Reduced Pressure Setting-BAR 3

Watts 957N-DOSY 4 - Part of the 957 Series Window Well Extension When the valve is installedThis 4 inch N pattern reduced pressure zone assembly backflow preventer helps prevent the reverse flow of fire protection substances and 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. This extremely compact and lighter than a traditional designed assembly is approved for horizontal installation