Kohler K-300-K-NA 1/2 Inch High-Flow Valve System

Item #: bci223082
Limited time only Offer Ends 7/31/2016

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Product Details for the Kohler K-300-K-NA

This product has additional required/recommended options. To configure, add to your cart.

  • Extension Kit Recommended

This 1/2-inch ceramic valve works behind the scenes to give you optimal performance from your KOHLER faucet. It features brass construction for durability, and long-lasting ceramic valves that offer a lifetime of smoothly functioning water flow


  • High-flow valve ensures optimal water flow performance.
  • Quarter-turn ceramic disc valves exceed industry longevity standards, ensuring durable performance for life.
  • 15.0 to 17.0 gpm (gallons per minute) flow rate.
  • For use with bath- or deck-mount faucets.
  • Requires valve trim (sold separately).
  • Brass construction.
Our SKU: Kohler K-300-K

This product is listed under the following manufacturer number(s):

*Denotes a finish or option that has been discontinued

Kohler K-300-K Reviews

Rated 4 out of 5 by from have a problem I installed the tub faucet K-T398 and have a constant drip when I shut off both the hot and cold valves. Suspect this is due to faulty washer. Can you send me direction on how to replace the washers and are these common washers that can be picked up at any hadware store? Michael
Date published: 2013-01-04
Rated 4 out of 5 by from Good fit and function, would buy them again These valves are solid. Quality material and craftsmanship. The instructions walked me through my first installation of this kind. One of the valves was not sealing and Kohler send me a hot and cold replacement valve under warranty. These can be serviced through the top - no need to remove the whole valve body. I am satisfied with the finished product and I would buy again.
Date published: 2012-07-16
Rated 5 out of 5 by from Instruction are well written The instructions were easy to follow and the installation took very little time.
Date published: 2012-07-03
Rated 5 out of 5 by from Fit it great It seemed like a mess of plumbing parts to me but our plumber had no problems installing it all with the Roman tub oil rubbed bronze faucet and it works great and the faucet is simply gorgeous. Seemed like nice heavy duty parts to me.
Date published: 2011-11-04
Rated 5 out of 5 by from Had to let my plumber figure this mess out but he got it in and works great.
Date published: 2011-06-19
Rated 5 out of 5 by from Kohler Faucets I ordered two Kohler Devonshire sink faucets and the Devonshire whirlpool tub faucet, as well as the Kohler Valve for the whirlpool tub faucet. I did have a problem with a damaged base on the tub faucet but I have to say that Faucet Direct's customer service was excellent. They immediately offered to rectify the problem and get me a new base. As for the Kohler faucets...what could you ever say bad about Kohler? They are quality through and through. I am just thrilled with them!
Date published: 2010-11-05
Rated 2 out of 5 by from Poor design Too long; poor for a wall mount which I needed. The wall mount valve was too short. There don't seem to be any options to replace old wall mount valves.
Date published: 2010-11-05
Rated 5 out of 5 by from Very Satisfied! Our plumber had no problem with this rough-in set. I was concerned about compatibillity with our 23-year old plumbing, but it went into place with no problems at all. Great service and very fast shipping!
Date published: 2010-04-28
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2 Questions from the Community
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Will this valve work with the Alteo Roman tub filler?

The Kohler K-300-K can be used with the Kohler K-T45115-4 Alteo Double Handle Roman Tub Filler Faucet Less Valve with High Arch Non-Diverter Tub Spout

what is the gpm flow?

The Kohler K-300-K is a high-flow valve allowing water to flow 16-18 gpm at 45 psi.

Buy the Kohler K-300-K-NA at FaucetDirect.com. Research Kohler K-300-K-NA online. Find Kohler K-300-K-NA features and specifications. Get the best deal by comparing the Kohler K-300-K-NA today.


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