This 3 inch lead-free double check valve backflow preventer assembly is designed to protect potable water systems by preventing the reverse flow of non-potable water caused by backsiphonage or backpressure. It meets national plumbing codes and water authority requirements for backflow prevention.
Ideal for use at service line entrances and cross-connections classified as non-health hazards, this assembly helps safeguard against contaminants entering the clean water supply.
Its compact modular design features a single access sleeve for simplified maintenance and servicing. The assembly is approved for both horizontal and vertical installation when installed in accordance with the flow direction indicated on the unit.
Constructed with a durable stainless steel body, this unit includes tri-link check valves, outside stem and yoke resilient seated gate valves with grooved end connections, and top-mounted test cocks for reliable performance and long-term serviceability.