The Series 007 Double Check Valve Assemblies are expertly designed to protect drinking water supplies from dangerous cross-connections, complying with national plumbing codes and water authority requirements for non-potable service applications like irrigation, firelines, or industrial processing. These assemblies are only permitted for cross-connections classified by local inspection authorities as non-health hazards. Key Features: Ease of Maintenance: Features a design that requires only one cover for servicing. Robust Construction: Made from cast bronze for durability, suitable for sizes ranging from 1/2 inch to 2 inches. Low Pressure Drop: Engineered to minimize pressure loss in the system. Tool-Free Servicing: Servicing can be done without the need for special tools. Specifications: Backflow Lead Free: No Backflow Prevention Type: Double Check Backflow Shape: Inline Manufacturer Part Number: T062020 Primary Material: Brass Primary Size: 3/4 inch (0.75 in.) Fitting Connection Type: Female Thread Primary Color: Bronze