Watts LF719-QT-S 1/2 - Part of the LF719 Series chat-hdpe The gasket separates the tailpieces

The gasket separates the tailpieces to prevent an electric current from occurring

Made from robust woven polypropylene yarns

This kit consist of a diaphragm

ZN415-DP-4IC

Round nickel bronze

Watts LF719-QT-S 1/2 - Part of the LF719 Series chat-hdpe The gasket separates the tailpiecesThis 1 2 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated 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. It is ideal for protection at cross connections identified as non health hazard applications and from other contaminants