Watts LF909-OSY-NYC-FS 4 - Part of the LF909 Large Series Access Tile This kit consists of a

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

Double Threaded Pipe Connector: Allows secure

The Flexible Expansion Joint For Concrete provides a durable solution for accommodating the natural movement of concrete surfaces due to thermal expansion or heavy loads

It accomplishes this by using a time released herbicide called Triflurallin to prevent the tree roots from growing in that direction

Watts LF909-OSY-NYC-FS 4 - Part of the LF909 Large Series Access Tile This kit consists of aThis 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