0717301121913

Basement Watchdog

Model KCV

Internet #202809421

Store SKU #541996

Store SO SKU #1001053926

Klunkless Check Valve

$19.98 /each

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Product Overview

This Basement Watchdog Klunkless Check Valve features a silencing air chamber that absorbs the shock that normally occurs after a pump shutoff. The valve installs easily on both 1-1/2 in. and 1-1/4 in. pipes with no gluing required (pipes not included). An airtight chamber helps prevent water entry.

  • Installs easily on both 1-1/2 in. and 1-1/4 in. pipes with no gluing required (pipes not included)
  • Fits easily in compact spaces
  • Silencing air chamber absorbs the shock that normally occurs after a pump shutoff
  • Airtight chamber helps prevent water entry
  • Helps eliminate the irritating clunk that can happen when your sump pump turns off (sump pump not included)
  • Includes stainless-steel hose clamps for convenience
  • Not for use with ejector pumps

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Specifications

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Warranty / Certifications

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Customer Questions & Answers

2 Questions2 Answers

Customer Questions & Answers

Klunkless Check Valve
Klunkless Check Valve

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1 answer

Just installed this product & it makes a rapid klicking-type noise when retracting. Is this normal?

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Grand blanc mi
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February 20, 2016
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Lincolnshire
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Home Improvement Profile: Professional
May 30, 2016
Answer: 
Please contact us immediately so that we may be able to trouble shoot with you over the phone and resolve this issue immediately. You can contact us at 800.991.0466 ext 3 for tech support M-F 9-5 CST. Thank You
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This question is from Klunkless Check Valve
 
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Length from coupling to coupling

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Asked by
Saint Louis, MO
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November 22, 2015
I see the length is 11.75" and I assume that includes the klunkless chamber. What is the total length from the outer edge of each coupling, i.e., the length of the pipe it will be covering?
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Asked by
Naperville, IL
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Home Improvement Profile: DIYer
January 16, 2016
Answer: 
It measures 9 3/4" from one end of the coupling to the other.
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Customer Reviews

Rated 3.2 out of 5 by 16 reviewers.
Rated 5.0 out of 5.0 by Works! This worked for us, thank goodness! Our pump was klunking so loudly in the basement it would wake me up during the night. Almost sounded like a door slamming! March 22, 2016
Rated 1.0 out of 5.0 by Didn't stop the clunk. Clunking still very loud after installing. Disappointed. Don't waste your money. March 23, 2016
Rated 5.0 out of 5.0 by nice product love it sub pump very noisy now very quiet can't even hear it March 21, 2016
Rated 1.0 out of 5.0 by Leaks and Klunks Leaks at the seem out of the box. I was able to fix the leak by tightening the four screws that hold the assemble together. However it had no effect on the water hammer. Save yourself the trouble avoid this value. March 3, 2016
Rated 5.0 out of 5.0 by Very quiet check valve! Our previous check valve was incredibly loud. Not sure why we lived with it for years. I saw this product passing by the aisle at Home Depot and am so glad I purchased it. It works well, no leaking and we can't hear it when the sump pump runs. I installed it when adding a backup sump pump so the overall install was time consuming but this part was simple. January 16, 2016
Rated 2.0 out of 5.0 by Klunkless - leaks at seam Leak at seam on all 4 sides upon first test, brand new, out-of-the-box. Disassembled, inspected, reassembled, still leaks. Off to the return counter. October 26, 2015
Rated 5.0 out of 5.0 by This is the best purchase ever. I had a plumber install it for $200 and the part was only $19. My daughters bedroom was right above the sump pump and whenever it rained she had to sleep on the couch. It mad a swish noise and then a boom, no longer can hear anything but a little tap. I just wish they would have made this 10 years ago. Maybe any bad reviews are from people who tried to install it themselves. June 27, 2015
Rated 1.0 out of 5.0 by Junk, much better ones out there. Installed this and tested it out and it had water leaking out of the seam where the two pieces join within seconds. There are a few reviews out there mentioning these valves leaking right out of the box. Guess I should have heeded their advice. It's a very easy install and actually is quiet, but they seem to have a quality problem in that the valve leaks. So no matter how quiet it is, or how easy it is to install it doesn't make much sense if it is going to leak. May 11, 2015
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