Keeney Manufacturing Company

Model # K835-10

Internet # 204374273

3-1/2 in. Adjustable Flush Valve for Kohler and Champion

$15.68 /each

Frequently Bought Together

Product Overview

This 3-1/2 in. Flush Valve is made for American Standard, Kohler, Eljer or any flush valve with similar thread size. The unit Includes adjustable water saving flapper with timing cone. The Valve features No cut Adjustable overflow tube from 8-1/2 in. to 12-1/2 in. long.

  • No cut adjustable overflow tube
  • For American Standard, Kohler, Eljer or any flush valve with similar thread size
  • Includes adjustable water saving flapper with timing cone for control of the flapper drop speed
  • 3-1/2 in. outside diameter thread for toilet tank



Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 


Adjustable Fit 
Adjustable overflow from 8.5in to 12.5in 
Dual Flush 
Hardware Included 
Includes Flapper 
Plumbing Part Type 
Toilet Flush & Fill Valve 
Valve Type 

Warranty / Certifications

Manufacturer Warranty 
1 year limited 

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Customer Questions & Answers

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Customer Reviews

Rated 3.0 out of 5 by 4 reviewers.
Rated 1.0 out of 5.0 by Didn't fit as shipped The rubber gasket was so thick that the locknut that came with it would not even start mating with the threads of the flush valve. I used the nylon locknut from the original American Standard flush valve and could not get it tight enough so that is did not leak. Took the tank off yet again, and used the original 9 year old A-S gasket and new locknut. I made a "socket" out of plywood to tighten the locknut enough so that it finally didn't leak. November 13, 2013
Rated 5.0 out of 5.0 by Great product!! This was a life saver for me. When I took the tank off of my mother-in-law's toilet to repair/replace the leaky flushing valve (like I have done on multiple toilets before) I realized that the hole in the bottom of the tank for the flushing valve was much larger than any other I had ever dealt with. This was a problem because none of the standard off the shelf valves from ANY hardware store are any bigger than 3" and her toilet needed a 3 1/2". Maybe the 3" would have fit, but I wanted the correct one because I don't ever want to have to mess with that toilet again, especially because I took a short cut. So I found this one online and ordered it with delivery to my local HD (fast and free shipping). It showed up 2 days later and between the new valve and the toilet rebuild kit I had already bought off of the shelf I had it done in no time and it works great. April 28, 2015
Rated 1.0 out of 5.0 by Misunderstood that it is not for all Kohler toilets. When I read the description of this product I thought it would fit all Kohler toilets. When I received the flush valve I immediately knew it was wrong because of the size. I don't know if I can return it because of being an non stock ordered item. May 10, 2014
Rated 5.0 out of 5.0 by Exactly as described in description Some of the newer toilets have the larger diameter flush valve and the big box stores do not have these valves. The valve was very easy to install and was of good quality. The flapper was much better than the replacement ones that you find in the big box stores. Product was received in excellent condition and received ahead of the expected delivery date October 8, 2013
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