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Model #43900

Store SKU #1002799220

3 in. PVC Backwater Valve

$3271
  • 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

Prevent sewage or any other fluid from flowing back into your water system with the Oatey 4 in. PVC Backwater Valve. Its elastomeric seal inside the flapper ensures a tight seal, preventing fluid from entering. Designed for use with 4 Schedule 40 piping system.
  • 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
  • Threaded cap
  • Tight, waterproof elastomeric seal inside flapper

Info & Guides

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Price
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Ratings
(6)
(36)
(36)
(6)
ConnectionSweatSweatSweatSweat
ApplicationSewageNon-Potable WaterNon-Potable WaterSewage
Maximum Pressure (psi)24808024
Compatible Pipe MaterialCPVCPVCPVCCPVC
MaterialAcrylonitrile Butadiene Styrene (ABS)PVCPVCAcrylonitrile Butadiene Styrene (ABS)
Maximum Working Temperature (F)120150150120
Inlet Diameter (In.)3344
Outlet Diameter (In.)4334
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Specifications

Dimensions

Inlet Diameter (In.)
3
Outlet Diameter (In.)
3
Product Depth (in.)
11 in
Product Height (in.)
7 in
Product Length (in.)
11 in
Product Width (in.)
7.5 in

Details

Application
Non-Potable Water
Compatible Pipe Material
PVC
Connection
Sweat
Features
Threaded
Indoor/Outdoor
Indoor
Material
PVC
Maximum Pressure (psi)
80
Maximum Working Temperature (F)
150
Pack Size
1
Product Weight (lb.)
0.5 lb
Returnable
90-Day
Valve Type
Pressure Regulating

Warranty / Certifications

Manufacturer Warranty
1 year

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.8
    out of 36 reviews
  • 100%recommend this product
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Showing 1-10 of 36 reviews
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.
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    • Recommended
    3 people found this helpful
    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 person found this helpful
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    Works as advertised, however, the design could be improved. The small nubs that enable the one-wa...
    Works as advertised, however, the design could be improved. The small nubs that enable the one-way flapper to hinge look to be fragile. It installed easily and is working great. Time will tell if the small nubs will be durable enough to last. One can easily see how the flapper itself could cause a blockage if either nub were to break off.
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      • Recommended
      1 person found this helpful
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      Performed as expected...
      Performed as expected
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      Showing 1-10 of 36 reviews