Febco - LF870WZ-DOSY 4 - Part of the LF870V Series Pipe Connection Fitting and prevent backflow when supply

and prevent backflow when supply pressure falls below system pressure

ZS400SS-4IG

testing fixtures

2 IN external water dam

Features Lead free construction to comply with lead free installation requirements

Febco - LF870WZ-DOSY 4 - Part of the LF870V Series Pipe Connection Fitting and prevent backflow when supplyThis 4 inch lead free MasterSeries double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. This valve features a longer lay length for drop in replacement of competitor? s Z pattern valves. Its compact modular design facilitates easy maintenance