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Internet #303424698

Model #43905

Store SKU #1002799218

4 in. ABS Backwater Valve

$4007
  • 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

Backwater Valves are designed as a sewage check valve to prevent pumped water from flowing back into the basin. Elastomeric seal with quick action flapper. Threaded access cap.
  • Elastomeric seal in quick action flapper ensures a water tight seal
  • Threaded access cap incorporates a neoprene seal for positive seal
  • Valve hub fits ABS pipe and can be adapted for sewer and drain pipe
  • Can be tightened or removed by hand
  • Fits easily on the end of ABS pipe
  • Entire valve assembly
  • Hub by Hub Solvent Weld Connection
  • Fits DWV Schedule 40 Pipe

Info & Guides

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Specifications

Dimensions

Inlet Diameter (In.)
4
Outlet Diameter (In.)
4
Product Depth (in.)
11
Product Height (in.)
6
Product Length (in.)
11
Product Width (in.)
5

Details

Application
Sewage
Compatible Pipe Material
CPVC
Connection
Sweat
Features
No Additional Special Features
Indoor/Outdoor
Indoor
Material
Acrylonitrile Butadiene Styrene (ABS)
Maximum Pressure (psi)
24
Maximum Working Temperature (F)
120
Pack Size
1
Product Weight (lb.)
3.05
Returnable
90-Day
Valve Type
Pressure Regulating

Warranty / Certifications

Manufacturer Warranty
Limited

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
    out of 6 reviews
  • 50% recommend this product
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Showing 1-6 of 6 reviews
Oates 4” ABS Backwater Valve
poor flapper design, doesn’t have water tight seal, flapper attachment seems flimsy. Sioux Chief procheck has a silicon tight flap seal, flapper is a separate attachment seems stronger and more water tight, plus little cheaper.
by
    Does leak back a little bit...
    Does leak back a little bit
    by
      Product received as described....
      Product received as described.
      by
      • Verified Purchase
      by
      • Verified Purchase
      The pro's: Sturdy. The cap has a nice, smooth action when opening or closing. Instructions are ...
      The pro's: Sturdy. The cap has a nice, smooth action when opening or closing. Instructions are listed on the cap: "hand tighten, then 1/4"*. Flapper has a seal that works well and is removable, which is necessary if I ever have to replace the flapper seal. The con's: *hand tighten + 1/4 is actually too much! I could not manually un-tighten by hand after doing this. That's easy to correct (don't tighten too much). The real show stopper is that the flapper sits in a notched recess. Any excessive water movement could bump the flapper up and out of these notches. The flapper would then sit uselessly inside the chamber. I deducted 1 start for that design. I got around this by placing some Christy's PVC tape (great stuff, BTW) over the top of the notches. That seems to work well and water easily flows through the flapper portal, into the chamber and then out of the chamber to the promised land (the sewer). I will check the chamber once every 6 months to be sure the tape is still in place. Overall, happy with my choice and I feel this will stop the back-flow of sewer water, if/when my mainline ever clogs again. (hint: it will because I have an invasion of tree roots)
      by
      • Verified Purchase
      • Recommended
      Rating provided by a verified purchaser...
      Rating provided by a verified purchaser
      by
      • Verified Purchase
      Showing 1-6 of 6 reviews