KOHLER Wellworth Classic 1.28 GPF Toilet Tank Only with Class Five Flushing Technology in White-K-4436-0 - The Home Depot


Model # K-4436-0

Internet # 203100106

Store SKU # 393653

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

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

This item has been discontinued.
The Home Depot no longer carries this specific product.

$81.41 / each


Model # K-4436-0

Internet # 203100106

Store SKU # 393653

Store SO SKU # 285286

An American classic, this Wellworth high-efficiency toilet tank reduces water consumption without compromising on flushing power. At 1.28 gallons per flush, this economical tank conserves up to 16,500 gallons of water per year compared to a 3.5-gallon toilet. Its streamlined style matches with a coordinated bowl for a complete toilet.

  • 1.28-gal. per flush (gpf)
  • Standard left-hand trip lever included
  • Supply line not included
  • Combines with the K-4199 bowl to create a complete K-3658 highline toilet
  • Coordinates with other products in the Wellworth ensemble
  • Single-flush gravity uses the force of gravity and a precision-engineered tank to create a strong siphon during flushing
  • Canister flush valve optimizes flush performance and resists warping and deterioration
  • Class Five flushing technology offers plug- and leak-free performance, extraordinary flushing, and better rinsing power for a cleaner bowl
  • WaterSense toilets meet strict EPA flushing guidelines, including using at least 20 percent less water than 1.6-gallon toilets
  • Eligible for consumer rebates in some municipalities

Info & Guides

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Assembled Depth (in.)  8.0 in  Assembled Height (in.)  13.75 in 
Assembled Width (in.)  19.625 in  Flush Valve Size (in.)  2.125 
Product Depth (in.)  Product Height (in.)  13.75 
Product Width (in.)  19.625 
Collection Name  Wellworth  Color Family  White 
Color/Finish  White  Commercial / Residential  Residential 
Complete Toilet Kit  No  Flushing System  Gravity Fed 
Gallons Per Flush  1.28 gal (US)  Handle Included  Yes 
Material  Vitreous China  Material  Vitreous China 
Pressure Assisted  No  Product Weight (lb.)  35 lb 
Returnable  90-Day  Toilet Features  No Additional Features 
Toilet Included Components  Handle  Trip Lever Location  Left 
Warranty / Certifications
Certifications and Listings  No Certifications or Listings  Manufacturer Warranty  One Year Limited Warranty 


Rated 4.6 out of 5 by 7 reviewers.
Rated 5 out of 5 by 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. September 13, 2013
Rated 3 out of 5 by Don't care for combination tank bolt and bowl seal Tank to bowl seal was one piece rubber gasket that included seals around each mounting bolt. A nice idea in theory, but I found it hard to get the tank mounted evenly with the bolts compressing the gasket material around them preventing the heads from seating. Installed the tank one night and checked for leaks. None. The next morning I flushed it and water just poured out from beneath the tank. I loosened and re-tightened the bolts again and got it to seal, but I felt like I was going to crack the tank. I've installed dozens of toilets with the standard foam gasket and have never had an issue. March 11, 2014
Rated 5 out of 5 by This tank was just what was needed to replace previous one, same style, same features. This tank replaced one that was discontinued. It fit and installed (by my brother-in-law) easily and quickly, no problems. It is working fine, no problems, and is exactly what we needed. November 25, 2013
Rated 5 out of 5 by No Problems Overpriced for a toilet tank ... but no problems installing it. July 1, 2014
Rated 5 out of 5 by great flushing toilet This is the 4th one of these toilets that we have purchased. They work well with no maintenance required so far (longest is now 6 years). This newest one even flushes a little better than the older model. Only negative is that for this model you have to purchase the tank and bowl separately. December 23, 2014
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