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Kohler K-3639 Class Five Elongated One-Piece Toilet Less Supply from the Archer Collection

Item #: BCI1145057
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Product Details for the Kohler K-3639

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

  • Angle Supply Recommended
  • Wax Ring Kit Required

Archer(tm) Class Five(R) elongated one-piece toilet, less supply

As part of the Archer Suite of products, this toilet offers exceptional performance, seamless one-piece design, and superior water savings with a 1.28-gallon flush.


  • 29" x 17-3/4" x 26-1/4"
  • 12" rough-in
  • Class Five(R) Flushing Technology
  • Includes Cachet(R) Quiet-Close(tm) toilet seat with Quick-Release(tm) functionality
  • Meets strict flushing performance guidelines established by the EPA (Environmental Protection Agency) WaterSense program
  • WaterSense labeled toilets use at least 20% less water than standard 1.6-gallon toilets
Our SKU: Kohler K-3639

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

*Denotes a finish or option that has been discontinued

Kohler K-3639 Reviews

Rated 5 out of 5 by from Great customer service The toilet is great. The customer service is better! I should have received this toilet in a large shipment for my new home. I saw it wasn't there so i called customer service right away and they sent out a new toilet the same day! I appreciate there was no hassle, I had the new toilet the next day. The prices are great and with the customer service you can't go wrong.
Date published: 2014-03-04
5 Questions from the Community
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Does the Kohler K-3639 toilet come with a flush (trip lever) handle?

Yes this comes with a trip lever in Chrome. For other colors view the K-11069.

Is the K-3639 a one piece toilet? Also does it have the comfort height, and quick close seat?

The Kohler K-3639 is a one piece toilet, it comes with a quick close seat but is not comfort height.

Does the Kohler K-3639 have an insulated tank?

The Kohler K-3639 does not have an insulated tank.

Is it available in the 1.6 gpf?

The Kohler K-3639 is only in a 1.28 GPM version.

Isn't it Comfort Height? The specs say 16.5".

The Kohler K-3639 is not comfort height the height to the rim of the toilet bowl is 14.5".

Modern Trip Lever for Archer Two Piece Toilet

Kohler K-3639 Technical Specs

Bowl Height 14.5
Bowl Shape Elongated
Comfort Height No
Concealed Trapway No
Configuration One Piece
Country Of Origin USA
Depth 29
Flush Technology Class Five
Flush Type Gravity Flush
Gallons Per Flush 1.28
Height 26.25
Installation Available Yes
Installation Type Floor Mounted
Insulated Tank No
Length 29
Made in America Yes
Material Vitreous China
Rough In 12
Seat Included Yes
Soft Close Yes
Theme Modern
Trapway 2.125, 2.13
Trip Lever Placement Left
Water Efficient Yes
WaterSense Certified Yes
Width 17.75

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