Watts LF909-OSY-NYC-FS 4 - Part of the LF909 Large Series Access Tile serviceable access is needed

serviceable access is needed

Includes mounting hardware for secure connection to strainers

This kit consists of a check assembly and cover O-ring

flexible and waterproof

ZB415C-4NH

Watts LF909-OSY-NYC-FS 4 - Part of the LF909 Large Series Access Tile serviceable access is neededThis 4 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, OSY resilient seated gate valves, captured spring check valves, replaceable seats, top mounted test cocks and a field reversible pressure differential relief valve. The coating on this backflow