Model # WSKCV

Internet #203990079

Water Source Klunkless Sump Pump Check Valve
0659647913398

Water Source

Klunkless Sump Pump Check Valve

$1842 /each
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Product Overview

This klunkless sump pump check valve has a built-in air chamber. Allows silent closing of the flapper design. Only to be used with sump pumps.

California residents: see   Proposition 65 information

  • Unique design takes the "klunk" sound out of your pipes when your sump pump shuts off
  • Prevents backflow of water into sump basin which prevents pump from cycling on and off too often
  • Fits all sump pumps with 1-1/4 in. or 1-1/2 in. discharge pipe
  • Reversible couplers are easy to adjust
  • Unique valve body allows for nearly 100% flow
  • Swing style flapper, not spring loaded
  • Not for use with well pumps or other potable water applications

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Customer Reviews

Klunkless Sump Pump Check Valve is rated 1.5 out of 5 by 8.
Rated 1 out of 5 by from Easy to install and so far (2 weeks) stops water from draining back into sump-pit. But not only ... Easy to install and so far (2 weeks) stops water from draining back into sump-pit. But not only doesn't it stop or reduce any clunking noise, it actually clunks twice in a row now. I don't even know how that's possible. Useless piece of junk. The cost of it ($19) is only a few dollars more than if I had just installed a regular check valve with a couple of rubber adapters and a short section of pipe. But still, it should operate as described and at least attempt to stop any clunking noise. This item is a real clunker.
Date published: 2017-05-03
Rated 1 out of 5 by from Doesn't fit on 1 1/2 inch pipes. The rubber couplings claim to be 1-1/2 - 1-1/4, so you can rev... Doesn't fit on 1 1/2 inch pipes. The rubber couplings claim to be 1-1/2 - 1-1/4, so you can reverse them depending on the size of the pipe, but the 1-1/4 end is too narrow to fit onto the valve when you try to arrange it like that. so you would have to buy 1-1/2 - 1-1/2 couplings for both ends. and that costs 16 bucks, which is almost as much as the valve. Bottom line, the rubber couplings that come with it are the wrong size.
Date published: 2017-04-05
Rated 1 out of 5 by from Installed it. There is still a little clunk. Also does not seem to seal properly and you can he... Installed it. There is still a little clunk. Also does not seem to seal properly and you can hear water leaking back into the sump crock. It also leaks by 2 of the screws where the top and bottom come together. Tightening them did not stop the leak. It will be coming out and going back to the store. Save yourself some aggravation and don't buy this.
Date published: 2017-04-10
Rated 1 out of 5 by from The first unit I purchased leaked. The second unit worked for a few moths and now makes more noi... The first unit I purchased leaked. The second unit worked for a few moths and now makes more noise than without it. I contacted the manufacturer and never received a response.
Date published: 2017-02-21
Rated 1 out of 5 by from This check valve sounds exactly the same as the old check valve. It was a waste of time and money. This check valve sounds exactly the same as the old check valve. It was a waste of time and money.
Date published: 2017-05-16
Rated 1 out of 5 by from Not Klunkless I had two of these valves installed. They did not get rid of the noise. Don't buy this check valve.
Date published: 2016-02-05
Rated 1 out of 5 by from Doesn't Reduce the Noise As Much As I Expected From the design it seems like it should work, but it just doesn't. It does SLIGHTLY reduce the noise, but the noise is still about 75% of what it originally was. I was simlpy disapointed. I thought it would work but it just didn't, after the expense and the effort I can't recommend it.
Date published: 2014-04-23
Rated 5 out of 5 by from I would recommend this product to anyone. This product works great and got rid of the noise I used to have.
Date published: 2014-05-13
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