Watts LF709-LF 6 - Part of the LF709 Series ZA100F-3NH 6 inch Watts Model 77F-DI-250

6 inch Watts Model 77F-DI-250

or other decorative materials—minimizing visual disruption

This 3/4 inch lead free copper silicon alloy reduced pressure zone 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

2 IN external water dam

and an anchor flange for secure installation

Watts LF709-LF 6 - Part of the LF709 Series ZA100F-3NH 6 inch Watts Model 77F-DI-250This 6 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. It is ideal for protection at cross connections identified as non health hazard applications and from other contaminants found at the service line entrance. This assembly without the shutoff valves