The 1” Model 700 Dual Check Valve is a lead-free bronze backflow prevention device designed for low-hazard potable water applications. It protects against backsiphonage and backpressure, making it ideal for residential and light commercial plumbing systems. Compact, corrosion-resistant, and versatile, the valve can be installed horizontally or vertically. Compliant with ASSE® 1024 and CSA® B64.6 standards, it operates at a maximum pressure of 175 PSI and a maximum temperature of 180°F, offering reliable protection in everyday water line installations.