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The Basement Watchdog klunkless check valve (1-1/2" or 1-1/4") is available for purchase today.

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Basement Watchdog Klunkless Check Valve (1-1/2" or 1-1/4")

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Basement Watchdog Sump Pumps and AccessoriesModel: KCV
(Based on expert analysis, manufacturer ratings and customer reviews)
3.9 out of 53.9 out of 53.9 out of 53.9 out of 53.9 out of 5
9 Reviews
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  • Features
  • Specs
  • 4
    Q&A 
  • 9
    Reviews
  • Articles
  • Shipping
  • Accessories
Never Get Woken Up by a Loud Check Valve Again
Reduces the clunking sound when your sump pump stops

Large Silencing Air Chamber
Absorbs the sound of the returning water

Fits 1-1/2" and 1-1/4" Discharge Pipes


Need Help? Ask Our Sump Pump Experts.
Pump
Discharge Port Size
1-1/4 Inch and 1-1/2 Inch
Overview
Weight
2 Pounds
Consumer Warranty
1 Year
UPC
717301121913
Model
KCV
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  4 Questions
Q: can this be mounted horizontally?
by Frank from New Jersey on December 29, 2011

A: Itís not the best way. It really depends on the amount of head they you have above the check valve on the vertical run but itís still going to be prone to leaking. The KCV check valve isnít spring loaded so the only thing that will keep the valve closed is the water above it so if itís horizontal, itís possible that the water wonít keep it shut and therefore cause it to leak. Sometimes it does work but usually itíll be intermittent.
by Jim, Product Expert
Q: Can this be used with a Zoeller M53 sump pump?
by Anonymous from Michigan on March 04, 2011

A: Yes, as long as it's a 1 1/2" discharge, which is the same size as the Zoeller M53.
by Jim, Product Expert
Q: If I got three (3) of the "Klunkless Check Vavles", could I put one on my sewage line, one on the main pump and one on my backup pump?
by TONY DUFFIE from Indiana on January 09, 2011

A: This valve is perfect to use on your sump lines because it can accommodate up to 1-1/2" discharge pipes.

For sewage pumps, this check valve will not work because sewage discharge pipes are 2" or larger.
by Jim, Product Expert
Q: HI Jim,
Can you tell me if I can use the Klunkless check valve with a sewage pump?

by Ruben from Illinois on January 07, 2011

A: This check valve can't be used with sewage pumps. The maximum size pipe this valve can handle is 1-1/2".

Sewage pumps have a 2" or larger discharge.
by Jim, Product Expert
Basement Watchdog KCV Reviews & Ratings
Overall Rating
Features
4/5
Quality
4/5
Performance
4/5
Value
4/5
Overall
3.9 out of 53.9 out of 53.9 out of 53.9 out of 53.9 out of 5
Pros
Quiet (4)
Easy To Use (2)
I'd Buy It Again (2)
High Quality (1)
Exceeded Expectations (1)
Cons
Durability (1)
Unreliable (1)
Low Quality (1)
50% of respondents would recommend this product to a friend
9 Reviews  Sort by 
 
Ron
Machesney Park, IL
REVIEWED
JAN.
27
2011
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great
Everything is great about these two items. Plus it arrived within 2 days. The pump and check valve are super quiet.

My setup is for a basement laundry tub and small bar sink. I also have a water softner that drains into it and a septic system.

I also added the small bleed hole as you suggested and although I never had this before (35 years) with previous pumps it makes sense. I use to get bad odors from sump area but so far nothing.

It must be the check valve and/or the bleed hole... more
Manufacturer Response
Brand Rep
Ron,
Thank you for your review of the Klunkless Check Valve. We appreciate your detailed feedback and satisfaction with our products.
more
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60
Dan
Purchased from Sump Pumps Direct
Purchased 1/18/12
Total Reviews
2 Reviews
REVIEWED
FEB.
15
2012
5 out of 55 out of 55 out of 55 out of 55 out of 5
Good Product But Service Was Even Better!
Ordered a new zoeller m53 sump pump and basement watchdog klunkless check valve. First valve had crack in housing which I didn't notice until after installation. So I emailed service and they sent me a new one free of charge which I received the next day, and didn't even have to return ship the bad one. That is what I call customer service!!!

Will order another one from sump pumps direct , when my secondary pump dies. But this valve is awesome, it makes absolutely no noise when pump shuts... more
Manufacturer Response
Brand Rep
Dan,
Thank you so much for your feedback. We really appreciate it.
more
Was this review helpful?
50
Warren H.
Moorestown, NJ
Purchased from Sump Pumps Direct
Purchased 7/14/14
REVIEWED
AUG.
05
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Satiisfied
Satisfied customer.
Pros: Quiet, Price, Reliable, I'd Buy It Again
Warren Recommends This Basement Watchdog Product
Manufacturer Response
Brand Rep
Warren,
We are happy that you are satisfied with the Klunkless Check Valve!
more
Was this review helpful?
20
Matt
REVIEWED
MAY.
24
2014
2 out of 52 out of 52 out of 52 out of 52 out of 5
Leaked From The Day Of Purchase
This leaked from the middle section of where the valve is located where the 4 machine screws attach the upper and lower housing. Two of the screws were somewhat loose and I took a chance on continually tightening them while being cautious of cracking the plastic. The leak finally did stop but for piece of mind, I will be replacing it with a different brand.
Matt Does Not Recommend This Product
Manufacturer Response
Brand Rep
Matt,
We do apologize for your inconvenience in having to tighten the screws when first purchased, this is not a common occurrence. We do want to let you know that we stand behind our products and we would love to assist you. Please contact us directly for support at 800.991.0466 ext. 3 for technical support
more
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20
Robert D.
Franklin, NH
Purchased from Sump Pumps Direct
Purchased 4/2/14
REVIEWED
MAY.
15
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Sump Pump Noise
Ordered two check valves and installed both, liked the one with the extra space for air.
Pros: Easy To Use, Quiet, I'd Buy It Again
Robert Recommends This Basement Watchdog Product
Manufacturer Response
Brand Rep
Robert,
We are happy that we were able to meet your needs with the Klunkless Checkvalve. Thank you for your review.
more
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20
Thomas G.
Morrisville, PA
Purchased from Sump Pumps Direct
Purchased 6/10/13
Total Reviews
3 Reviews
REVIEWED
JUL.
02
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
It's Definitely Quiet!
I have this check valve hooked up with a Zoeller M98 pump. Both are right below a bedroom and they are virtually silent.
Pros: Quiet, Light Weight, Exceeded Expectations, High Quality
Thomas Recommends This Basement Watchdog Product
Manufacturer Response
Brand Rep
Thomas,
We are happy that you love our Klunkless Check Valve! Thank you for your review.
more
Thomas Would Recommend Sump Pumps Direct To A Friend
Web Site
5/5

Service
5/5

Shipping
5/5
"Great shipping department!! No damages on arrival and things always arrive on tim....Good Job!"
 more
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20
Erika
Cherry Hill, NJ
REVIEWED
FEB.
18
2011
5 out of 55 out of 55 out of 55 out of 55 out of 5
Excellent Product
Prompt service delivery, excellent product, easy installaion. A+
Manufacturer Response
Brand Rep
Erika,
We are glad that you are satisfied with your Klunkless Check Valve. Thank you for your review and A+ STAMP!
more
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20
Don R.
Canton, MI
REVIEWED
MAY.
11
2015
2 out of 52 out of 52 out of 52 out of 52 out of 5
Junk, Much Better Ones Out There
Bought this after the boot on my normal check valve failed.

Installation was very easy with the rubber boots.

Tested it after install and the unit leaks at the junction of the two halves. Water began weeping out of it within seconds.

Doesn't matter how easy it is to install or how quiet it is if it's going to leak.

I purchased a different design and am happy with it.
Pros: Quiet, Easy To Use
Cons: Low Quality, Unreliable, Durability
Don Does Not Recommend This Product
Manufacturer Response
Brand Rep
Don,
We get a copy of your review from Power Equipment and wanted to apologize for the defects on your purchase. At Glentronics we value these comments as it help us with our quality control and customer satisfaction. In manufacturing, there can always be some items that are defective but we want to do the best we can to satisfy our customers. If you would contact us we'll be glad to replace your check valve at no charge to you. Just call our factory at 800-991-0466 and go to customer service on option 3 and mention this email and well mail you one out by the next business day. You can mention my name if you'd like. Once again,sorry for the inconvenience and we hope this response will help with your problem.
Regards, Jim Curren
more
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00
Robert S.
Massena, NY
REVIEWED
APR.
28
2015
1 out of 51 out of 51 out of 51 out of 51 out of 5
Wrong Choice
Did not have 4 KVC 6 months, and they leaked, were loud, and 2 of them had the rubber wear out. Would not buy again.
Robert Does Not Recommend This Product
Manufacturer Response
Brand Rep
Robert,
I am sorry for your experience with this product. Please give us a call @ 800.991.0466 Opt 3 for Tech support, we would love to help with this. Thank you.
more
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00
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