200B 3/4

This 3/4 inch double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for drinking water supply protection at dangerous cross-connections identified as non-health hazard applications and from other contaminants found at the service line entrance. This compact modular design with a separate top entry check valve access is designed for easy maintenance and is approved for horizontal and vertical installations. This assembly consists of a bronze body, chloramine resistant elastomers, quarter turn ball valve shutoffs with tee handles, NPT end connections, two positive seating check modules, and top mounted test cocks.