• Stainless steel body One top entry access cover for easy maintenance Ball valve type test cocks No special tools are required Compact design Low pressure drop Modular construction The maximum working pressure is 175 psi (12.06 bar) The wetted surface of this product contacted by consumable water contains less than one quarter of one percent (0.25 percent) of lead by weight

This 4 inch lead free 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 protection at cross-connections identified as non-health hazard applications and from other contaminants found at the service line entrance. This compact and short lay length design with a single access cover for easy maintenance is approved for horizontal, vertical and retrofit installations. This assembly consists of a lightweight stainless steel body, outside stem and yoke resilient seated gate valve by post indicating valve, spring loaded cam-check valves, and test cocks.