Series 850U In-Line Design Double Check Valve Assemblies with Union End Ball Valves are designed to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They feature a bronze body and union threaded ball valve end connections. Maximum Working Pressure: 175psi (12.1 bar). The Febco Series 850U Double Check Valve Assemblies give you a high levels of protection for your water supply for your home or building while providing you with easy removal for the winter months. This assembly is not suitable for toxic material handling.
Febco 850U Specifications (PDF: 340 KB) | Febco 850U Installation Guide (PDF: 768 KB) | Febco 850U Maintenance Manual (PDF: 644 KB) |