Model # K-4421-G9

Internet #203777735

Store SO SKU #1000472404

KOHLER Cimarron 1.28 GPF Single Flush Toilet Tank Only with AquaPiston Flushing Technology in Sandbar
0650531671936

KOHLER

Cimarron 1.28 GPF Single Flush Toilet Tank Only with AquaPiston Flushing Technology in Sandbar

$146.36 /each
Color/Finish: Sandbar
  • Almond
  • Biscuit
  • Black Black
  • Dune
  • Ice Grey
  • Sandbar
  • White

Frequently Bought Together

Product Overview

This WaterSense labeled tank combines water efficiency with the versatile style of the Cimarron collection A 1.28-gallon flush provides significant water savings of up to 16,500 gallons per year, compared to a 3.5-gallon toilet, without sacrificing performance This tank features innovative AquaPiston technology, a patented flush engine, that delivers a fast, powerful, and plug-free flush Pair this tank with the K-4309 bowl for a complete toilet.

  • 1.28 gallons per flush (gpf)
  • Standard left-hand Polished Chrome trip lever included
  • Supply line not included
  • Combines with the K-4309 bowl to create a complete K-3609 Cimarron toilet
  • Coordinates with other products in the Cimarron collection
  • Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl, and trapway to create a strong siphon during flushing
  • AquaPiston canister allows water to flow into the bowl from all sides (360 degrees), increasing the power and effectiveness of the flush
  • Flush valve's 3: 2 ratio harnesses the natural force of gravity and optimizes flush performance
  • Durable canister design has 90% less exposed seal material than a 3 in. flapper, for leak-free performance
  • Light-touch canister flush requires a lower actuation force than a flapper
  • AquaPiston canister flush valve optimizes flush performance and resists warping and deterioration
  • DryLock System saves installation time and helps prevent water leakage
  • 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.

    Kohler AquaPiston Flushing Technology

Info & Guides

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Specifications

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Warranty / Certifications

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Customer Questions & Answers

5 Questions5 Answers

Customer Questions & Answers

Cimarron 1.28 GPF Single Flush Toilet Tank Only with AquaPiston Flushing Technology in Sandbar
Cimarron 1.28 GPF Single Flush Toilet Tank Only with AquaPiston Flushing Technology in Sandbar

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1 answer

K-4421 tank

This question is from Cimarron 1.28 GPF Single Flush Toilet Tank Only with AquaPiston Flushing Technology in White
Asked by
Visalia, CA
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February 22, 2016
Will this tank fit my K-4634 toilet that has been discontinued? I only need the tank and components, not the bowl.
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Answer (1)

March 2, 2016
Answer: 
Dear Valued Home Depot Customer, we have reached out to the vendor and their response is, ""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 have any current toilet tanks that will fit the bowl that you currently have installed due to changes that have
Read More
Dear Valued Home Depot Customer, we have reached out to the vendor and their response is, ""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 have any current toilet tanks that will fit the bowl that you currently have installed due to changes that have occurred in flushing technology. I apologize for this inconvenience.
Please work with your local Home Depot for pricing and availability on selected product.
Thank you for choosing the Bold Look of KOHLER.
"
Read Less
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1 answer

I have a K 4421-CA tank. Can this be replaced with the Cimarron tank with Aquapiston flush?

This question is from Cimarron 1.28 GPF Single Flush Toilet Tank Only with AquaPiston Flushing Technology in White
Asked by
Bowie, MD
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December 30, 2015
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Answer (1)

January 4, 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. The model number you have provided of 4421-CA, is a Cimarron tank with an Aqua piston flush valve. If your original tank needs to be replaced and cannot be serviced, yes they are interchangeable.
Please work with your local Home
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. The model number you have provided of 4421-CA, is a Cimarron tank with an Aqua piston flush valve. If your original tank needs to be replaced and cannot be serviced, yes they are interchangeable.
Please work with your local Home Depot for pricing and availability on any product purchase.
Thank you for choosing the Bold Look of KOHLER.
Read Less
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1 answer

I have a tank K4221, will this tank replace it?

This question is from Cimarron 1.28 GPF Single Flush Toilet Tank Only with AquaPiston Flushing Technology in White
Asked by
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June 25, 2014
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Answer (1)

Asked by
KohlerCo.
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Home Improvement Profile: Other
June 25, 2014
Answer: 
Hello, my name is Julie with KOHLER Customer Service. I am happy to assist you with your toilet tank question.
The tank 4221 is a 3.5 gallon per flush and is an older model number. The 4421 tank will not work with your existing bowl. The entire toilet will need to be replaced.
Please work with your local Home Depot for pricing and availability on this product.
Thank you for your inquiry and choosing Read More
Hello, my name is Julie with KOHLER Customer Service. I am happy to assist you with your toilet tank question.
The tank 4221 is a 3.5 gallon per flush and is an older model number. The 4421 tank will not work with your existing bowl. The entire toilet will need to be replaced.
Please work with your local Home Depot for pricing and availability on this product.
Thank you for your inquiry and choosing the Bold Look of KOHLER. Read Less
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1 answer

I have a Kohler Cimarron class-5 toilet, elongated & comfort height. Need new tank, is K-4421-0 compatible with this?

This question is from Cimarron 1.28 GPF Single Flush Toilet Tank Only with AquaPiston Flushing Technology in White
Asked by
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January 24, 2014
I had a 1.6 gal/flush tank, and still have inner workings for that size tank, will those parts fit/work in a 1.28 gal/flush tank? Class 5 toilet.
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Answer (1)

January 27, 2014
Answer: 
Hello, my name is Jelane with the Kohler Customer Service. I am happy to assist you KOHLER Cimarron Toilet Tank Only in White Model # K-4421-0 question.
I apologize the internals are specific to the individual models they would not be interchangeable. Please work with your local Home Depot for pricing and availability on this product.
Thank you for your inquiry and choosing the Bold Look of KOHLER.
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Customer Reviews

Rated 5.0 out of 5 by 1 reviewer.
Rated 5.0 out of 5.0 by Good product It was very easy to install the tank.It works as expected. It came with some plastic parts without instructions where they will be needed. Wish there were options like dual flush system. I needed to replace the tank because the previous tank was leaking. The leak could have been fixed by installing a new flapper valve (cost $5) in other tank systems. Instead I had to throw away the old tank and spend $80+ to buy a new tank. A VERY POOR engineering design, created to sell more products. .............. This is a very annoying and EXPENSIVE way to fix a SIMPLE water leakage problem. May 3, 2016
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