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ZB415-SZ1-2NL
It contains a diaphragm
and air gap fitting
TerraTex GS meets AASHTO M288 Class 3 for separation and stabilization
Febco - LF850-QT 1/2 - Part of the LF850 Small Series SITEDRAIN ZB415-SZ1-2NLThis 1 2 inch lead free 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. Its compact modular design facilitates easy maintenance with a single access cover for in line repairs. It is ideal for protection in continuous pressure piping
