Model # K-4436-0

Internet #203100106

Store SKU #393653

Store SO SKU #1000895566

KOHLER Wellworth Classic 1.28 GPF Single Flush Toilet Tank Only with Class Five Flushing Technology in White
0650531858368

KOHLER

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

$83.06 /each
Color/Finish: White
  • Almond
  • Biscuit
  • Black Black
  • White

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Product Overview

Kohler has the same conservation ideals as you, designing this Wellworth high-efficiency toilet tank in white to provide superb flushing power while using less water. This unit delivers 1.28 gallons per flush, which is a huge improvement over 3.5-gallon toilets that were commonly installed in American houses in the 1980s and early 1990s. Its sleek profile meshes with a coordinated bowl for a complete toilet.

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

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Customer Questions & Answers

12 Questions14 Answers

Customer Questions & Answers

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

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Will this work with model #4276 elongated toilet?

This question is from Wellworth Classic 1.28 GPF Single Flush Toilet Tank Only with Class Five Flushing Technology in White
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October 28, 2016
Will this work with model #4276 elongated toilet?
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1 answer

Does this fit the k-4558 model?

This question is from Wellworth Classic 1.28 GPF Single Flush Toilet Tank Only with Class Five Flushing Technology in Biscuit
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August 20, 2016
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Answer (1)

August 22, 2016
Answer: 
Hello, my name is Leah with KOHLER Customer Service. I am happy to assist you with your toilet question.
I apologize you were unable to find the information you were looking for. I apologize, we do not manufacture a current tank that is compatible or interchangeable with model 4558-**.
Please work with your local Home Depot for pricing and availability on this product.
Thank you for choosing the Bold
Read More
Hello, my name is Leah with KOHLER Customer Service. I am happy to assist you with your toilet question.
I apologize you were unable to find the information you were looking for. I apologize, we do not manufacture a current tank that is compatible or interchangeable with model 4558-**.
Please work with your local Home Depot for pricing and availability on this product.
Thank you for choosing the Bold Look of KOHLER.
Read Less
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1 answer

Will this tank work on Koehler highline toilet?

This question is from Wellworth Classic 1.28 GPF Single Flush Toilet Tank Only with Class Five Flushing Technology in Biscuit
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July 30, 2016
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Answer (1)

August 1, 2016
Answer: 
Hello, my name is John with KOHLER Customer Service. I am happy to assist you with your question.
I apologize you were unable to find the information you were looking for. The 4436-96 Wellworth tank will work with the 5393-96 Highline bowl.
For additional assistance on this inquiry, please contact our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537)
Thank you for your inquiry and choosing the
Read More
Hello, my name is John with KOHLER Customer Service. I am happy to assist you with your question.
I apologize you were unable to find the information you were looking for. The 4436-96 Wellworth tank will work with the 5393-96 Highline bowl.
For additional assistance on this inquiry, please contact our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537)
Thank you for your inquiry and choosing the Bold Look of KOHLER.
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1 answer

How can I tell if my toilet is Almond or Biscuit?

This question is from Wellworth Classic 1.28 GPF Single Flush Toilet Tank Only with Class Five Flushing Technology in Biscuit
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parsippany nj
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December 16, 2015
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December 17, 2015
Answer: 
Hello, my name is Jay with KOHLER Customer Service. I am happy to assist you with your toilet question.
The (-96) on the end of the model number 4436-96 is the color code for biscuit. For additional assistance on this inquiry, please contact our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537)
Thank you for choosing the Bold Look of KOHLER.
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Customer Reviews

Wellworth Classic 1.28 GPF Single Flush Toilet Tank Only with Class Five Flushing Technology in White is rated 4.1 out of 5 by 18.
Rated 2 out of 5 by from It was as expected, on time and a quality product. Class Five flushing on the other hand is based... It was as expected, on time and a quality product. Class Five flushing on the other hand is based on a perfect plumbing installation. On an older home that has settled, plumbing included, as in my case needs a bit more water to complete the flush. This causes me to hold the lever down until it completes the entire flush. the previous model tank worked when adjusted for maximum water level. I'm probably using more water now than before due to this "New Technology" that goes backwards. John Crapper is rolling over in his grave..........
Date published: 2016-12-13
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 Good product, good price I was surprised how well packed it was in the box. It also included all the insides of the tank.
Date published: 2016-10-26
Rated 3 out of 5 by from Arrived with lid cracked - still waiting for replacement. Hard to give overall rating. Arrived with lid cracked - still waiting for replacement. Hard to give overall rating.
Date published: 2016-12-14
Rated 5 out of 5 by from Very simple to install and makes the project easy. Very simple to install and makes the project easy.
Date published: 2016-12-06
Rated 5 out of 5 by from Great product I have a KHOLER 1.6 toilet and the tank was leaking a bit. I tried the FluidMaster replacement kit from Homedepot and it took me several hours to replace the leaky fixtures, but i didn't like the feel of it anyway. So I got the WELLWORTH CLASSIC 1.28 GPF and it took me 15 minutes to replace the entire tank. It looks great, feels great and it saves water.
Date published: 2016-05-03
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
Rated 5 out of 5 by from Everything was included, didn't need anything additional at all I thought I was just buying the tank. All hardware, fill valve, seals and bolts were included. I've heard of some that don't even include the lid. Shipping was much faster than I expected. The price is OK but not inline with half a toilet in my view. I had two stools fall over in my truck and both tanks broke so I was in a mess and sure not happy with the situation. The guy in plumbing department at HD really knew what he was doing and the product line. For a bad situation, I got the best outcome I could expect.
Date published: 2015-02-17
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