Watts 957Z-NRS 8 - Part of the 957 Series snake fence This 3/4 inch satin chrome

This 3/4 inch satin chrome lead free anti-siphon hot or cold water vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage

A raised external water dam sets the overflow height

Made of gray polyethylene treated with UV inhibitors

offering easy removal while preventing unauthorized access

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 3/4 IN Outlet Connection Type Union Pex Outlet Thread Type Does Not Apply To Product Part Number 0125317 Series LFN45B Standard Reduced Pressure Setting-BAR 3

Watts 957Z-NRS 8 - Part of the 957 Series snake fence This 3/4 inch satin chromeThis 8 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. This extremely compact and lighter than a traditional designed assembly is approved for horizontal Z pattern installation