Watts LF719-QT 1 - Part of the LF719 Series ZC100F-3NH This 1/4-3/4 IN cover replacement

This 1/4-3/4 IN cover replacement kit for series SS009M2 and SS009M3 is used for repairing the cover to the relief valve to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure

Pedestrian Traffic-rated

and other external factors

low-profile transition from roof drainage into downspout piping

Watts LF719-QT 1 - Part of the LF719 Series ZC100F-3NH This 1/4-3/4 IN cover replacementThis 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