4" x 4", Solvent Weld x Solvent Weld, 4.3 PSI, PVC, Lid/Flapper Operation, Backwater Valve with 16" Access Sleeve
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The Stepped Body Design Places the Inlet Socket-End Higher than the Outlet, Promoting the Correct Drop-Per-Foot and Improving Flow Efficiency; Lid and Flapper are Equipped with an O-Ring or Gasket Seal, Assuring a Positive Seal-Out Of Sewer Gasses; Designed for Horizontally-Installed, Low-or-No Pressure Gravity-Flow DWV Systems
Backwater Valve; Pipe Size 4 Inch x 4 Inch; End Connection Solvent x Solvent; Overall Dimensions 10.75 Inch Length x 21.75 Inch Height; Body Material ASTM D1784 PVC; Inclusions/Features Flapper, Flapper O-Ring or Gasket, Access Lid, Access Lid O-Ring, Access Sleeve/Cap; Applicable Standard UPC/IAPMO, IPC, ASME A112.14.1, ISO 9002; Material ASTM D1784 PVC (Flapper/Access Lid/Access Sleeve/Cap), Neoprene Rubber (Flapper O-Ring or Gasket/Access Lid O-Ring)
