Watts LF909M1-OSY-S-FDA-FS 8 - Part of the LF909 Large Series Hanes Geo and a heel-proof ductile-iron grate

and a heel-proof ductile-iron grate with a sediment bucket to trap debris

For heavy duty float valves

Nickel bronze

Eliminates need for external test equipment and cumbersome pressure calculations

Watts LF909M1-OSY-S-FDA-FS 8 - Part of the LF909 Large Series Hanes Geo and a heel-proof ductile-iron grateThis 8 inch lead free reduced pressure zone backflow preventer assembly prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection in continuous pressure piping applications and at cross connections identified as health hazards. This assembly consists of an epoxy coated cast iron body, outside stem and yoke resilient seated gate valves, a strainer,