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Backflow Preventers

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Smith 7022S08 Sewer Backwater Valve w/ Threaded Cover, 8", Spigot, Cast Iron Body
7080Y02-2 Drain Outlet Backwater Valve, 2" Nominal, No Hub End Style, Cast Iron Body
Smith 7022S04 Sewer Backwater Valve w/ Threaded Cover, 4", Spigot, Cast Iron Body
Smith 7022S06 Sewer Backwater Valve w/ Threaded Cover, 6", Spigot, Cast Iron Body
Smith 7022S03 Sewer Backwater Valve w/ Threaded Cover, 3", Spigot, Cast Iron Body
Smith® 7080Y03-2 Drain Outlet Backwater Valve, 3" Nominal, No Hub End Style, Cast Iron Body
Smith® 7012S03 Sewer Backwater Valve w/ Bolted Cover, 3", Spigot, Cast Iron Body
Smith® 7012S06 Sewer Backwater Valve w/ Bolted Cover, 6", Spigot, Cast Iron Body
Smith® 7070C04 Terminal Backwater Valve w/ Backwater Valve Mechanism, 4", Hub Outlet, Cast Iron Body