Kohler K-3979-0 White Highline Comfort Height 1.6 GPF Toilet with Elongated Bowl

Item #: BCI1686492
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Tech Specs
4798 In Stock
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Product Details for the Kohler K-3979-0 in White

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

  • Toilet Seat Required
  • Wax Ring Kit Required

Highline® Comfort Height® 1.6 gpf toilet

Exceptional Performance. Exceptional Value. Wellworth toilets have been an American benchmark for innovation and performance since 1936. With a new design in 2011, the Wellworth toilet brings and elegant flare that complements a wide range of bathroom designs.

  • Comfort Height Elongated Toilet bowl - With a seat height comparable to that of a standard chair, Comfort Height toilets make sitting down and standing up easier for people of all ages
  • 12" (30.5 cm) rough-in
  • 29-1/2" (74.9cm) x 18" (45.7cm) x 31-1/4" (79.4cm)
  • Class Five® - provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness
  • 3-bolt Installation - Three pre-installed tank bolts save installation time
  • Canister flush valve provides smooth flushing actuation with consistent water usage, flush after flush
  • 1.6-gallon per flush toilet
  • Polished chrome trip lever
  • Less seat and supply
  • K-3979 includes: K-4468 Toilet tank and K-4199 Comfort Height Toilet Bowl
Our SKU: Kohler K-3979

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

*Denotes a finish or option that has been discontinued

Kohler K-3979 Reviews

Rated 5 out of 5 by from classic look and great price. It really is a great product. Classic lines, aesthetically pleasing. The comfort height and extended bowl really make this a winner. Add a soft close toilet seat to it and it's worthy of a 4 star bathroom. Install was easy to boot. Will definitely purchase again.
Date published: 2013-12-31
Rated 2 out of 5 by from Not my Favorite Great looks, perfect height, but I disagree that this toilet has "best-in-class" cleaning. The water spot in the American Standard Champion we had in our previous house made it MUCH easier to keep clean. I don't know if the spot was in a better position, or larger, but it was better in my opinion. I feel that either the water spot position, or the flushing action in this Kohler is less effective, and I, therefore find I am having to clean it far more often.
Date published: 2014-04-29
Rated 1 out of 5 by from Plungers Don't Work The toilet is nice and works great, very powerful flush except when it clogs. Due to the oblong shape of the drain a standard plunger will not fit over the hole so it is nearly impossible to use a plunger on these toilets. I would avoid buying one in the future.
Date published: 2014-10-02
Rated 2 out of 5 by from Love the height and works good until it clogs I bought this toilet two years ago and it works really good until it clogs, this has happened several times. A standard plunger does not work at all. I had to remove the toilet to clear the clog
Date published: 2015-01-01
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7 Questions from the Community
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What is the comfort height of the Model #3979?

The Kohler K-3979 bowl height is 16.5 inches.

Are there any other parts that need to be purchased for installation?

The Kohler K-3979 does not require any additional parts for installation as long as your plumbing is already set up to receive the toilet. Some toilets require separate draining devices, but this is not one of them! In general our site will always prompt you if there are additional items needed!

What is the height of the toilet measuring from the floor to the top rim?

The Kohler K-3979 has a bowl height of 16.5" tall. This does not include the seat, which will add another inch or so. This is an ADA toilet, which means it is going to be the tallest model.

Does this toilet have a glazed trapway?

The Kohler k-3979 does have a glazed trapway.

Is it ADA compliant?

The Kohler K-3979 is ADA compliant.

Does it comes with a seat?

The seat is not supplied with the toilet. Kohler recommends K-4636, K-4688 or K-4731.

what is the measurement of toilet back to front (distance from wall)?

The total length of the toilet from back to front is 756 mm (29 3/4").

Low Flow Toilet Restrictions

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

Kohler K-3979 Technical Specs

Bowl Height 16.5
Bowl Shape Elongated
Comfort Height Yes
Concealed Trapway No
Configuration Two Piece
Country Of Origin USA
Depth 29.75
Flush Technology Class Five
Flush Type Gravity Flush
Flush Valve Size 3.25
Gallons Per Flush 1.6
Height 31.25
Installation Type Floor Mounted
Insulated Tank No
Made in America Yes
Material Vitreous China
Rough In 12
Seat Included No
Theme Basic
Trapway 2.13
Trip Lever Placement Left
WaterSense Certified No
Width 18

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