Watts 957N-BFG-FS 4 - Part of the 957 Series Strip Drian Disc assembly

Disc assembly

The reduced pressure range is 0 to 125 psi (0 to 8

it helps protect roof membranes and assemblies while managing water flow from secondary sources

Specifications Body Material Lead Free Cast Copper Silicon Alloy Brand Watts Buy American Act Compliant NO Inlet Connection Size 1/4 IN Inlet Connection Size-Metric 8 MM Inlet Connection Type Female Threaded Lead Free YES Outlet Connection Size 1/4 IN Outlet Connection Type Female Threaded Specification Sheet - LF27

This 4 inch 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

Watts 957N-BFG-FS 4 - Part of the 957 Series Strip Drian Disc assemblyThis 4 inch reduced pressure zone assembly backflow preventer help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. This extremely compact and lighter than a traditional designed assembly is approved for horizontal N pattern installation as long as the backflow assembly is installed in accordance with the direction of the flow arrow. This assembly consists of a stainless steel body with a