Watts LF909M1-OSY-NYC-FS 8 - Part of the LF909 Large Series Window Well Extension do not hurt the soil

do not hurt the soil hydrology

Features Full enamel CI grate

and other areas with large stormwater loads

Single access cover and modular check construction for the ease of maintenance

Watts LF909M1-OSY-NYC-FS 8 - Part of the LF909 Large Series Window Well Extension do not hurt the soilThis 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. This assembly consists of an epoxy coated cast iron body, outside stem and yoke resilient seated gate valves, captured spring check valves, replaceable seats, top mounted test cocks and field reversible pressure differential relief valve. The coating on