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PVC 4" Backwater Valve (S x S)

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$79.45
SKU:
475P-IND
Availability:
Usually Ships in 24 Hours

PVC 4" Backwater Valve (S x S)

$79.45

Backwater Valves are designed to prevent backflow in numerous applications where easy service access for maintenance and cleaning is needed. Excellent for use in sanitary or storm sewer drainage systems to prevent waste back up due to inadequate drainage, for balancing multi-level ponds, aquaculture features or storage tank systems, and many other applications. Spears® Backwater Valve has
been engineered for improved function and easier service, especially in buried service with use of optional Service-Access Extension Kit.

  • All PVC Construction with EPDM Flapper Seal
  • Threaded Top Plug for Convenient Service
  • Simple Snap-In Internal Flapper Assembly for Easy Replacement
  • Optional Factory Assembled Service-Access Extension Kits - External Housing with Internal Extension for Convenient Removal, Inspection or Replacement 
  • Optional Extension Components Kits for Assembly with User-Supplied Pipe
  • Available in Sizes 2", 3", 4" and 6" with Socket Ends
  • Direct Connection to ASTM D 2665 PVC DWV or other  IPS size pipe. Spears® IPS x Sewer Adapters Available for Connection to ASTM 3034 Sewer
  • Conforms to ASME/ANSI A112.14.1 for Backwater Valves
  • Pressure Rated to 43 psi (100 feet of head) @ 73°F


Convert from Schedule 40 to SDR35 with bushing Part# P118-040