Model # K-4436-96

Internet #203100110

KOHLER Wellworth Classic 1.28 GPF Single Flush Toilet Tank Only with Class Five Flushing Technology in Biscuit
0650531858429

KOHLER

Wellworth Classic 1.28 GPF Single Flush Toilet Tank Only with Class Five Flushing Technology in Biscuit

$9200 /each

Choose Your Options

Biscuit
  • Almond
  • Biscuit
  • Black Black
  • White

Frequently Bought Together

Product Overview

The streamlined design of the Wellworth toilet tank has been a KOHLER staple since 1936. Now equipped with high-efficiency components, this biscuit-colored tank releases 1.28 Gal. of water per flush, meeting the EPA’s standards for superior water conservation. It represents a 20% decrease in water usage compared to ultra-low-flow toilets (1.6 GPF) and a tremendous boost in efficiency compared to toilets commonly installed in the 1980s and early 1990s (3.5 GPF). With gravity-assisted syphoning and a canister flush valve, you’ll find the thrust of this tank is comparable to that of yesteryear’s inefficient toilets.

  • Outfitted with left-side trip lever
  • Supply line not included
  • Releases 1.28 Gal. of water per flush
  • Wellworth toilet bowl (model K-4199) sold separately
  • Conforms to EPA WaterSense standards, which translates to 20% less water usage than ultra-low-flow 1.6 GPF toilets
  • Gravity-assisted siphoning action delivers extra flushing oomph
  • Class Five flushing technology furnishes leak- and plug-free throughput
  • According to the EPA, a high-efficiency toilet like the Wellworth can reduce a family’s water usage by 20-60%, resulting in lower utility bills
  • Canister flush valve maximizes flush performance and inhibits deterioration and warping
  • Matches up with biscuit toilet bowls in the KOHLER Wellworth lineup (not included)
  • May qualify for rebates from your municipality or utility provider
  • Also available in almond, white and black black

Info & Guides

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Specifications

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Warranty / Certifications

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Customer Questions & Answers

Does this tank come withe the internal valves and handles

Asked by: Doug
yes, it comes pre-assembled and ready to install
Answered by: KATB
Date published: 2017-02-22

does this toilet tank fit most toilets?

My toilet is fine but the tank is broken.
Asked by: klgv
I ordered it on line form Home Depot I originally tried to order it from Kohler but they just sent back to where I purchased it. I would say it does not fit ANY toilet. Its shape is unique (smaller than normal)
Answered by: KATB
Date published: 2017-02-22

Can you lower the water level in the bowl without disturbing the flow efficiency

Asked by: al
yes
Answered by: Eliane
Date published: 2017-05-23

can this tank replace the tank below

I have toilet tank with id on battom of the lid: Kohler Co upc t80 1.6 gpf 22175 4620 kb5
Asked by: babyo
Yes it will install on the 1.6 gallon base no problem flushing on the other hand may be a bit sticky if the older model did not flush well to begin with.
Answered by: oldfart
Date published: 2016-12-13
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Customer Reviews

Wellworth Classic 1.28 GPF Single Flush Toilet Tank Only with Class Five Flushing Technology in Biscuit is rated 4.0 out of 5 by 24.
Rated 4 out of 5 by from The Toilet was easy to install. It has a quick and quiet flushing system. I love that it does not... The Toilet was easy to install. It has a quick and quiet flushing system. I love that it does not take as long as my previous toilet to fill and reset and that it is quiet. It is somewhat small (short) but I am short (5'4") so it is perfect. I would not recommend it if you are over 6 feet tall, but it is great for us short people and children.
Date published: 2017-02-22
Rated 1 out of 5 by from Worse toilet ever. Does not have the flush power to clear waste. As a result, have to use toilet ... Worse toilet ever. Does not have the flush power to clear waste. As a result, have to use toilet bowl cleaner and brush after each use. This is a daily occurrence. I have had over a year. DO NOT BUY!!
Date published: 2017-01-12
Rated 5 out of 5 by from It is exactly what we expected to replace a tank which was broken during a moving. The good surpr... It is exactly what we expected to replace a tank which was broken during a moving. The good surprise is that it came as well with all the fkushing system, and was very easy to install
Date published: 2017-05-02
Rated 5 out of 5 by from I just bought it for few weeks, it looks good and beautiful, a new improved item, saving water, a... I just bought it for few weeks, it looks good and beautiful, a new improved item, saving water, and meet my expectations.
Date published: 2017-05-23
Rated 1 out of 5 by from 1 Star Review Rating provided by a verified purchaser
Date published: 2017-04-23
Rated 3 out of 5 by from Wrong brand selected ... Wrong brand selected
Date published: 2017-01-24
Rated 4 out of 5 by from Fit perfectly ... Fit perfectly
Date published: 2017-02-07
Rated 5 out of 5 by from Replacement tank. Couldn't stop a leak in my old Kohler tank (K-4620) replaced old tank w/ this K-4636-0 and it fit perfectly. Make sure your Kohler has a 3 bolt pattern at bottom of tank. Easy installation.
Date published: 2013-09-13
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