Watts LF009-OSY 0122643 2-1/2 inch Female Cast Iron Body Reduced Pressure Backflow Preventer with Outside Stem and Yoke Gate Valves

This lead free reduced pressure backflow assembly is designed to prevent the flow 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. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and for contaminants at the service line entrance. This assembly consists of an epoxy coated cast iron body construction, UL and FM outside stem and yoke resilient seated gate valves, top mounted test cocks, two in-line independent check valves, captured springs, and replaceable check seats with an internal relief valve for reduced space requirements.