Model # 4266.014.021

Internet #100598373

American Standard Champion 4 1.6 GPF Toilet Tank Only in Bone

Discontinued American Standard

Champion 4 1.6 GPF Toilet Tank Only in Bone

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Frequently Bought Together

Product Overview

The leader in clog-free performance produces a faster, more powerful, yet quieter flush. The Champion 4 toilet can move a 70 percent larger mass than the industry norm, so it virtually eliminates clogging. Its round-front design takes up less space, and its EverClean surface stays cleaner, longer.

  • 1.6 GPF design
  • Vitreous China material
  • Gravity-fed flushing system
  • EverClean surface inhibits the growth of stain and odor-causing bacteria, mold and mildew

Info & Guides

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Flush Valve Size (in.)
Product Depth (in.)
Product Height (in.)
Product Width (in.)


Collection Name
Color Family
No Additional Features
Flushing Mechanism
Gravity Flush
Flushing Technology
Gravity Fed
Gallons Per Flush
Vitreous China
Product Weight (lb.)
Trip Lever Location
Left Side

Warranty / Certifications

Certifications and Listings
No Certifications or Listings
Manufacturer Warranty
Limited 10-year

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Customer Questions & Answers

Are there American Standard tanks that are compatible and that I can use to replace the 4260?

Are there American Standard tanks that are compatible and that I can use to replace the 4260?
Asked by: Mike
I've been informed by a reputable website that model 4266 tank is a compatible replacement to the 4260 toilet tank
Answered by: mike
Date published: 2017-02-17

Are all toilet bowls interchangeable?

I have an toilet bowl that is cracked on both sides and needs to be replaced, The info inside the toilet says "hecho en Mexico". Can I replace this tank with any other brand, are the connections for the bowls standardized?
Asked by: Anonymous
NO. the screws at the bottom need to match.
Answered by: milly
Date published: 2015-09-20

Can I buy a tank lid for this??? 4266

Can I buy a tank lid for this??? 4266
Asked by: margiemtkt
The 4266 tank lid is no longer available through American Standard.
Answered by: AmericanStandardBrands
Date published: 2017-03-07

Tank comes up compatible with mine when searched on line. My model # is 4049 c73. I am looking f...

Tank comes up compatible with mine when searched on line. My model # is 4049 c73. I am looking for conformation of that, if possible, thanks.
Asked by: Zack
The manufacturer does not make a 4049 tank. Please contact the manufacturer for assistance with your question.
Answered by: AmericanStandardBrands
Date published: 2016-10-31
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Customer Reviews

Champion 4 1.6 GPF Toilet Tank Only in Bone is rated 4.3 out of 5 by 11.
Rated 4 out of 5 by from Flushariffic! I have to agree with consumer reports...I don't think any other toilet flushes better. The 4" valve must be the secret. When I first installed (using the largest wax ring available, it leaked when I flushed it, even though I compressed with all my weight. A couple of days later, that stopped. Not sure if the sudden rush of water is too much for my drain, but I have heard that some drains can be a smaller standard than others, and I suspect this COULD be a problem for some. Too much water for your drain. Note that the tank does NOT ship with wax ring or supply line.
Date published: 2009-08-18
Rated 5 out of 5 by from American Standard Champion 4 Tank & Toilet Bowl The American Standard Champion 4 system is a wonderful toilet. The toilet that came with our new home was less than satisfactory. While under new home warranty, we had it replaced twice. There was no improvement. It would usually take two to three flushes to get any mass pushed through. The plumber even told us to hold the handle down to help it flush. We didn't want to tell all our guest to hold the handle down or deal with the plunger while visiting us in our new home. After purchasing the AMC4, we never have to worry about unsatisfactory flushing or plunger use for that matter. The AMC4 has a 1.6 gallon tank, the same size as our old toilet. I have even told some of our close friends to give it all they got and they were amazed how well it effortlessly works. We have had no problems with this unit and plan on purchasing another AMC4 for our upstairs bathroom as well. It's the only toilet I know that comes with a 10 year warranty. We are very pleased! Thank you Home Depot and American Standard!
Date published: 2009-04-23
Rated 2 out of 5 by from Disappointed with toilet. I have had my model 4266 4 years and have had to replace the flopper and it still leaks water into the bowel, constantly refilling the tank. Have cleaned the lip, taken it apart to soak in white vinegar, cleaned and cleaned and it still leaks. I keep the water turned off until it needs flushing. Cannot express enough the disappointment with this one. The smaller toilet in the guest bathroom, American Standard also, has had no problems. So I can not recommend this larger flapper unit.
Date published: 2013-12-03
Rated 5 out of 5 by from This is a good tank. The only problem I have encountered is that you have to attach the water supply line before you attach the tank to the bowl. I was using a hand tighten steel braided water supply with the plastic connector. I was unable to tighten the connection at the tank because the plastic connector would bind against the top of the toilet bowl. It was not a big deal unless in the event the supply line needs to be replaced. The tank would have to be loosened or removed in order replace the supply line.
Date published: 2008-06-20
Rated 5 out of 5 by from Experienced Quality This is one of the finest 1.6 gallon flush toilets you can buy. It has a 4 inch flush valve, the industries largest, allowing it to flush quickly and does not require a second flush to finish the job. I have two in my home and recommend it to all my customers.
Date published: 2008-07-21
Rated 5 out of 5 by from replacement tank for toilet I had gone to Lowes first and they said it would have to be back ordered fand it would take 30 days. I called u guys had had it within 4 days. thanks for the great help. keith
Date published: 2011-09-06
Date published: 2012-06-12
Rated 1 out of 5 by from Attaching tank Don't follow the tank installation instructions. Instructions say, "Tighten alternately until the tank contacts the front and back of the bowl achieving china to china contact." I followed the instructions and didn't even get close to china to china contact. At about a 1/4 inch from contacting the bowl on both sides the tank broke. Whether the tank was defective, I don't know. I had to order another tank. Not very happy about that!
Date published: 2015-03-30
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