Home / Backflow Assemblies / Febco Backflow Assemblies / 2 1/2 IN / DCFilter your Results Assembly TypeAll LF850DCFind PartsClear FiltersSKU: F 850LFOSY212FEBCO 2 1/2" LF850 DC BACKFLOW ASSEMBLY W/ OS&Y GATE VALVES (LEAD FREE)$4,458.33Add to CartSign In for Contractor PriceSKU: F 850LFNRS212FEBCO 2 1/2" LF850 DC BACKFLOW ASSEMBLY W/ NRS GATE VALVES (LEAD FREE)$4,332.44Add to CartSign In for Contractor Price