Kohler K-3589 Biscuit Cimarron 1.6 GPF Two-Piece Elongated Comfort Height Toilet with AquaPiston Technology - Seat Not Included

- Item #: BCI705940

Low Flow Toilet Restrictions

This item cannot be shipped to the following location(s): CA, TX

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This product has additional required/recommended options. To configure, add to your cart.

  • Toilet Seat Required
  • Angle Supply Recommended
  • Wax Ring Kit Required

Package Includes:

  • K-4418: Cimarron 1.6 GPF toilet tank with Class Five technology
  • K-4309: Cimarron elongated toilet bowl

Product Features:

  • Two-piece configuration allows for easier access to the area around the toilet
  • Elongated bowl offers comfort and convenience, extending out an extra 1-1/2" compared to a round configuration
  • Covered under Kohler's 1 year limited warranty
  • The Cimarron Collection combines versatile design with high-powered, efficient performance
  • Constructed of durable, easy to clean vitreous china
  • Installs in a floor mounted configuration
  • Features a powerful gravity flush with AquaPiston technology
  • ADA compliant - complies with the standards for toilets set forth by the Americans with Disabilities Act
  • Comfort Height - designed for ease of use, with a higher than average bowl
  • Seat and cover not included with this model

Product Technologies / Benefits:

  • AquaPiston: AquaPiston single flush canister technology uses the force of gravity and a precision-engineered tank, bowl, and trapway to create a strong, efficient siphon during flushing. The canister flush valve's 3:2 ratio optimizes flush performance and resists warping and deterioration, while its durable design features 90% less exposed seal material than a standard 3-inch flapper flush valve, guaranteeing leak-free performance. The light-touch canister requires lower activation force than a flapper, and once activated, allows water to flow into the bowl from all sides (360 degrees), increasing each flush's power and effectiveness.
  • Comfort Height: Comfort Height toilets offer the greatest accessibility and ease of use with a bowl height of between 16-1/2" and 18", the same as a standard chair.

Product Specifications:

  • Overall Height: 30-3/4" (measured from bottom of base to top of tank)
  • Overall Depth: 28-3/4" (measured from back of tank to front of rim)
  • Overall Width: 17-5/8" (measured from rightmost to leftmost edge of toilet)
  • Bowl Height: 16-1/2" (measured from floor to bowl rim)
  • Flow Rate: 1.6 GPF (gallons per flush)
  • Water Area: 10-1/2" x 7-1/8" (inner rim dimensions of bowl, length x width)
  • Water Depth (from Rim): 6-1/8"
  • Tank Width: 17-5/8" (measured from leftmost to rightmost edge of tank)
  • Tank Depth: 8" (measured from back edge to front edge of tank)
  • Trapway (Discharge Passageway) Size: 2-1/8"
  • Distance Between Toilet Seat Installation Holes: 5-1/2"
  • Rough-In: 12"


  • K-3589: This model
  • K-3589-RA: This model with right hand trip lever
  • K-3589-Touchless: This model with Touchless flush
  • K-3609: 1.28 GPF version of this model
  • K-3887: This model with round bowl

About Kohler:

Gracious living is characterized by qualities of charm, good taste, generosity of spirit, and the enhancement of nature. It is Kohler's mission that you improve your sense of gracious living with every experience you have with a Kohler product or service. Kohler lives on the leading edge of design and technology, while maintaining a constant level of quality, regardless of price. It sets the standard of excellence in its field, and yet is constantly striving to improve. From sustainable products in the kitchen and bath to power systems that protect data centers and urban landscapes all over the world - this is what the Kohler company is all about.

Additional Kohler Links

Our SKU: Kohler K-3589

This product is listed under the following manufacturer number(s):

  • Kohler K-3589-47
  • Kohler K-3589-96
  • Kohler K-3589-7
  • Kohler K-3589-NY
  • Kohler K-3589-HW1*
    Honed White
  • Kohler K-3589-95
    Ice Grey
  • Kohler K-3589-G9
  • Kohler K-3589-0

*Denotes a finish or option that has been discontinued

Product Videos

  • How to remove and install a Toilet
    If you have been considering replacing your toilet, yet are wondering how complicated of a job this is? Take a moment and we'll show you just how simple this job can actually be.
  • Kohler's AquaPiston Flush on Cimarron Toilets
    See why Kohler Cimarron Toilets with the powerful AquaPiston flush system are an excellent value with exceptional, virtually plug-free performance for your home.

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

Kohler K-3589 Reviews

Rated 5 out of 5 by from A wise choice This is a great toilet. Handles waste very efficiently and has clean lines. The price is great, too. I plan to redo my other bath and will use this along with the Expanse tub, which also has a nice curve to it. My only complaint is that "comfort height" is not really comfort for me - I am 5'2" and my feet don't touch the ground !
Date published: 2013-03-25
Rated 5 out of 5 by from Excellent toilet This toilet has been installed for over two years and operates flawlessly! I have no issues with it at all. Would highly recommend this product.
Date published: 2012-11-19
Rated 1 out of 5 by from The worst toilet I ever purchased After a little over a year, the handle would not flush, due to the chain inside the tank falling off. The plumber said this was the worst toilet, and most of his repairs are this toilet. He put the chain back at least 6 times, and had to use a paper clip to keep the chain from falling off when the toilet is flushed. Finally, it broke, and the toilet has to be replaced, never mind the expense of the plumbers and replacement costs. Also, the toilet seat never stayed in place, due to the cheap plastic nuts or screws. It kept sliding around and around, and needed manual tightening after every use. I have owned many toilets. This was the worst.
Date published: 2013-11-25
Rated 1 out of 5 by from Cimarron toilet Just had this installed 3 days ago and do NOT like it. I'm 5'1" tall and my feet don't touch. Plus the toilet seat is higher on the outer rim and is very uncomfortable. I've never seen a toilet seat like it. My legs would go to sleep if I sat on it for long. VERY UNCOMFORTABLE....can't afford to replace it so I'm stuck.
Date published: 2014-02-03
Rated 5 out of 5 by from Good Product I bought 5 of these for my new construction home. I've not had any problems, plumber didn't complain about anything regarding installation and they handle waste very well. One of the few 1.6 gal toilets left out there. Only issues were that one tank arrived broken (didn't accept delivery and was replaced) and one toilet was missing the hardware. Neither was a problem as with new construction, the plumber had many other jobs to keep him working while waiting for replacement parts. My wife is 5'4" had has no complaints. My kids do have to "climb" on, but not worth buying round, regular height now only to replace later when they grow. Just open every box before accepting delivery. Bought the quiet close seats that work great...no more slamming lids with the kids.
Date published: 2014-09-27

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