The Series 007 Double Check Valve Assemblies are specifically designed to protect drinking water supplies from dangerous cross-connections, adhering to national plumbing codes and water authority requirements for non-potable service applications such as irrigation, fireline, or industrial processing. These assemblies are suitable only for cross-connections identified by local inspection authorities as non-health hazards. Key Features: Ease of Maintenance: Designed with only one cover for straightforward servicing. Durable Construction: Made of cast bronze, 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: No special tools are needed for maintenance. 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