Watts LF719-QT 1 - Part of the LF719 Series ZC100F-3NH integral gravel stop and high

integral gravel stop and high external water dam ensure reliable drainage

low-profile transition from roof drainage into downspout piping

enabling precise alignment after floor finish installation

Dura-Coated Cast Iron Body with Bottom Outlet: Provides durability

an underdeck clamp and a 4 inch no hub outlet

Watts LF719-QT 1 - Part of the LF719 Series ZC100F-3NH integral gravel stop and highThis 1 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