The Series 007 Double Check Valve Assemblies are specifically designed to protect drinking water supplies from dangerous cross-connections, in line with national plumbing codes and water authority requirements for non-potable service applications, such as irrigation, firelines, or industrial processing. These assemblies are approved for use only in cross-connections identified by local inspection authorities as non-health hazards. Key Features: Ease of Maintenance: Designed with only one cover for simple servicing. Durable Construction: Crafted from cast bronze, available in sizes ranging from 1/2 inch to 2 inches. Low Pressure Drop: Engineered to minimize pressure loss within the system. Tool-Free Servicing: Maintenance can be performed without the need for special tools. Specifications: Backflow Lead Free: No Backflow Prevention Type: Double Check Backflow Shape: Inline Manufacturer Part Number: T062306 Primary Material: Brass Primary Size: 1 inch Fitting Connection Type: Female Thread Primary Color: Bronze