3” PVC ProCheck Backwater Valve

3” PVC ProCheck Backwater Valve

The 869-S3P from Sioux Chief is a 3” PVC ProCheck Backwater Valve. 


  • Threaded top valve cover seals hand-tight and provides easy access for maintenance, inspection and repair;
  • Molded flapper seals better than O-ring and can be removed for cleaning or replacement without removing the entire valve;
  • Notches on the valve prevent wrong re-installion of the carrier and flapper;
  • Valve is intended for standard (non-bury) installations. For shallow-depth bury, see part# 869-S3PS. For deep bury, use 869-S4PDB adapter, 6" Sch 40 PVC pipe (for sleeve) and 1-1/2" Sch 40 PVC pipe (glued to carrier for removal of the flapper);
  • Arrow on the valve marks flow direction;
  • UPC listed;
  • Design in accordance to ASME A112.14.1-2003;
  • Made in the USA.

Technical Specifications:

  • Connection: 3" SCH40 Hub (Solvent Weld PVC);
  • Backflow pressure: up to 10 psi;
  • Valve height: 5-1/2";
  • Valve width: 8-5/8";
  • Valve material: PVC;
  • Flapper material: Elastomer overmolded polypropylene;
  • Valve lid material: Impact resistant HDPE.
Product Specs
Backflow pressure: up to 10 psi
Connection 3" SCH40 Hub (Solvent Weld PVC)
Flapper material: Elastomer overmolded polypropylene
Size1 3"
Valve height: 5-1/2"
Valve lid material: Impact resistant HDPE.
Valve material: PVC
Valve width: 8-5/8"

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  • Views: 5875
  • 3” PVC ProCheck Backwater Valve QR Code
  • Model: 869-S3P
  • MPN: 869-S3P
  • Availability: 14
  • $ 28.95


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Tags: Backwater Valves, PVC Valves, Plumbing Valves, Heating Supply, Residential Plumbing