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Model #43908

Store SKU #1001358889

6 in. PVC Backwater Valve

$14791
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  • Protects low areas and basements from backflow or waste water
  • Tight, waterproof elastomeric seal inside flapper
  • Hub fits DWV but can be adapted for sewer and drain
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Product Overview

The Oatey Backwater Valve is designed as a sewage check valve to prevent pumped water from flowing back into the basin. Its elastomeric seal inside the flapper ensures a tight seal, preventing fluid from entering. Oatey products have earned the trust of plumbing professionals for over 100 years.
  • 6 in. PVC sewage backwater valve
  • Protects low areas or basements from backflow or waste from street sewers
  • Elastomeric seal in quick action flapper ensures a water tight seal
  • Threaded access cap incorporates a neoprene seal for positive sealing and can be tightened or removed by hand
  • Valve hub fits DWV pipe and can be adapted for sewer and drain pipe
  • Entire valve assembly
  • Fits 6 in. PVC Schedule 40 pipe
  • Hub by hub solvent weld connection

Additional Resources

From the Manufacturer

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Specifications

Dimensions

Inlet Diameter (In.)6Outlet Diameter (In.)3
Product Depth (in.)11Product Height (in.)8
Product Length (in.)8Product Width (in.)11

Details

ApplicationNon-Potable WaterCompatible Pipe MaterialPVC
ConnectionSweatFeaturesNo Additional Special Features
Indoor/OutdoorIndoorMaterialPVC
Maximum Pressure (psi)80Maximum Working Temperature (F)150
Pack Size1Product Weight (lb.)3.5 lb
Returnable90-DayValve TypePressure Regulating

Warranty / Certifications

Manufacturer Warranty1 Year Limited

Questions & Answers

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Customer Reviews

  • 4.7
    out of 43 reviews
  • 100%recommend this product
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Showing 1-10 of 43 reviews
New flapper fixed old valve!
my 13-year-old backwater valve flapper door tab broke. I purchased this unit and installed the new flapper in my old valve. worked perfectly. I had to trim the ends of the tabs and sand down the shoulders to square it up and make sure it's swung loosely. Once done I use the new gasket on the old cap. works great!
by
    • Recommended
    This is what you need!!
    I installed the 2" valve on my basement slop sink a few months ago after my third sewage backup. Well yesterday all my neighbors were calling to see if I had as much sewage in my basement as they did. Not one single drop. This valve worked perfectly.
    by
      • Recommended
      3 found this review helpful
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      • Verified Purchase
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      • Verified Purchase
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      • Verified Purchase
      Excellent valve, exceeded my expectations!...
      Excellent valve, exceeded my expectations!
      by
      • Verified Purchase
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      • Verified Purchase
      Worked out great for a drainage system install we did!...
      Worked out great for a drainage system install we did! Keeps the water from the downspouts from spilling into the drainage system under the yard as hoped!
      by
      • Verified Purchase
      Device worked well, I used it as a temporary check...
      Device worked well, I used it as a temporary check valve device on a suction hose to siphon water from a 4 acre pond to enable repair of a leaking earthen dam.
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      • Verified Purchase
      1 found this review helpful
      Rating provided by a verified purchaser...
      Rating provided by a verified purchaser
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      Showing 1-10 of 43 reviews