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Overview

Model # 78279-0 Store SKU # 1001485860

Trusted for years by professionals, Highline toilets are Kohlers bestselling toilet family. A brilliant blend of style and water efficiency, this Highline Arc toilet is distinguished by an elegant flared tank. Coupled with Kohlers powerful canister flush valve, theres no sacrificing performance for design. An innovative 1.28-gallon flush setting provides significant water savings of up to 16,500 gallons per year, compared to an old 3.5-gallon toilet. This Complete Solutionpackage includes everything necessary for installation and is available exclusively at The Home Depot.

  1. Two-piece toilet
  1. Elongated bowl offers added room and comfort
  1. Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults
  1. 1.28 gallons per flush (gpf)
  1. Standard left-hand Polished Chrome trip lever included
  1. Complete Solution toilets provide everything you need in one box, including bowl, tank, seat, wax ring and floor hardware
  1. Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl and trap way to create a strong siphon during flushing
  1. Class 5 flushing technology offers virtually plug-free performance and rinsing power for a clean bowl
  1. Standard 12-inch rough-in
  1. 3-bolt installation
  1. Supply line not included
  1. WaterSense

Specifications

Dimensions

Assembled Depth (in inches)
29.54
Assembled Height (in inches)
30.36
Assembled Weight (in lbs)
100
Assembled Width (in inches)
15.47
Packaged Depth (in inches)
31
Packaged Height (in inches)
27.18
Packaged Weight (In lbs)
102.1
Packaged Width (in inches)
16.34

Details

Country of Origin
MX-Mexico

Warranty / Certifications

KOHLER One-Year Limited Warranty
Highline Arc The Complete Solution 2-Piece 4.8 LPF Single Flush Elongated Toilet in WhiteKOHLER Highline Arc The Complete Solution 2-Piece 4.8 LPF Single Flush Elongated Toilet in WhiteTrusted for years by professionals, Highline toilets are Kohlers bestselling toilet family. A brilliant blend of style and water efficiency, this Highline Arc toilet is distinguished by an elegant flared tank. Coupled with Kohlers powerful canister flush valve, theres no sacrificing performance for design. An innovative 1.28-gallon flush setting provides significant water savings of up to 16,500 gallons per year, compared to an old 3.5-gallon toilet. This Complete Solutionpackage includes everything necessary for installation and is available exclusively at The Home Depot.
KOHLER
1001485860
CAD3292024-09-19
The Home Depot Canada
Highline Arc The Complete Solution 2-Piece 4.8 LPF Single Flush Elongated Toilet in White is rated 4.4 out of 5 by 4349.
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Rated 5 out of 5 by from Kohler Elongated Highline Arc Comfort Toilet I bought Kohler Highline Arc Comfort EL SC Elongated toilet that went on sale from $330 to $280. John-Michael Schneider (Department Supervisor) helped us with the purchase and the Home Depot Installer did a great job in about 20 minutes. It works great so far and love the efficient flushing system. We got $50 off for applying for a Home Depot Credit Card. ( $50 off on $500 spent and $100 off on $1000 spent including installation). We are going to get $75 from the Halton Rebate for installing a new water efficient toilet. With all the great savings we are happy with our purchase so far. Thanks to Home Depot for a great experience.
Date published: 2023-08-15
Rated 5 out of 5 by from Great toilet, love the included soft close seat. Great toilet, bought two of the highline elongated Kohler comfort height toilets. It's been six weeks of use and these are well made with zero defects in the construction and a flawless white finish. Home Depot had a new lower price and that made the purchase easy. Replaced a couple of aging dual flush American standards. No comparison between the two. The Kohler flushes much more forcefully and the waste just disappears. The old ones you would cross your fingers and hoped it would go down. The bowl sizing is nice and big to catch drips or bad aim from the guys in the house. Visibly larger area then the old american standards. Definitely recommend.
Date published: 2023-09-26
Rated 5 out of 5 by from Great toilet Excellent toilet. I had bought 2 of this model last year and another model (from a different company) for our 3rd bathroom since our local Home Depot store only had 2 left. After 1 year, we changed the 3rd toilet to this model. When they say clog proof they mean it. And the flush mechanism is the best on the market. Just press and it flushes. No need to keep your finger on the flush lever to make sure it flushes adequately. Works great either upstairs or downstairs.
Date published: 2022-04-03
Rated 4 out of 5 by from Kohler toilets Only gave a 4 as we haven’t even installed them yet, but, disappointed that they aren’t lined as stated in questions and answers on the home depot website.
Date published: 2022-04-17
Rated 5 out of 5 by from Works Installed yesterday 28 June 2021. Elongated toilet flushes better and cleaner. Slow closing toilet lid is a bonus.
Date published: 2021-06-29
Rated 1 out of 5 by from Problems flushing I installed this toilet 1 year ago and am continually having blockage issues. Is this a common issue. I do notice that the formed pipe in the toilet has 2 90deg corners which I could see being a problem and the shape of the bottom of the bowl doesn’t allow a regular plunger to seal very well. Also the 90deg doesn’t allow a snake to move very freely.
Date published: 2021-10-26
Rated 1 out of 5 by from Save your Money, buy some other Toilet We have bought this toilet 2 years ago. Its the worst toilet I came across. It got clogged for no reason. We uninstalled it to check if something is causing the clog. It was nothing. We used the snake and it came out from the other end. We installed it back but again same issue. The water doesn't flush properly. Save your money, your energy and get some other toilet. It wasted my whole day today. Also, I did use every other methods like chlorine and other stuff, nothing helped. I end up buying new one. It felt really bad that I spend my money on this junk.
Date published: 2022-09-03
Rated 2 out of 5 by from Great Toilet Top quailty My job is a janitor cleaning offices for 40 years About 10 years one of my clients replaced 2 Toilets by Kohler I noticed the flush was extremely strong the toilet looks was also nice 7 years ago I renovated my house I bought 3 toilets Now I replaced the last one on the basement We don’t use it to much that’s why took 7 years I also bought 3 Vanity sinks by Kohler If you never used of of Kohler toilet you don’t now what your missing 100% Satisfied
Date published: 2021-07-18
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What is the flush performance?

Asked by: Gill
Hi Gill, this is Sarah with Kohler Customer Service. I am glad to address your question. Although Kohler does not publish MaP scores for toilets, independent ratings are published through http://www.map-testing.com. MaP Testing scores are determined by the grams of solid waste that a toilet can flush and remove. For additional assistance, please call our Customer Service Thank you for choosing Kohler.
Answered by: KOHLER Customer Service
Date published: 2024-03-05

is the reservoir insulated?

Asked by: keri
No, the tank isn’t insulated, I have two toilets like this and neither one sweats in the summer. 
Answered by: Darryl Renner
Date published: 2022-03-15

Does the Model 78279-0 (Highline Arc), come with a lid? The Overview description only mentions a "seat", but does not say that a lid is included. Also is a Supply Line included?

Asked by: CdnRon
It came with a seat with a soft close lid, but no supply line. Also no wax ring.
Answered by: office_girl
Date published: 2021-07-13

What self closing toilet seat goes with this model?

Asked by: Snoomn
Hi Snoomn, this is Sarah with Kohler Customer Service. I'm glad to answer your question. At this time, we do not offer a self closing seat. Please call us at 1-800-4KOHLER for assistance with your toilet seat selection. Thank you for choosing Kohler.
Answered by: KOHLER Customer Service
Date published: 2021-02-17

what is proper floor gasket for this model ( Kohler Model # 78279-0) to use

Asked by: marko
All floors. 
Answered by: Bobby 63
Date published: 2021-07-10

Is this toilet lined? Is it necessary to line the tank of a water saving toilet? We have well water which is very cold. Thank you

Asked by: mrtibsen
The Highline Arc toilet is not lined. We are also on well water and have seen no condensation issues.
Answered by: Al98
Date published: 2022-03-25

Does this model ha e an jnsulated tank

Asked by: Tina
yes.
Answered by: Bobby 63
Date published: 2022-02-08

is toilet lid slow close?

Asked by: Randy
Yes it is a slow close lid.
Answered by: jess
Date published: 2023-08-24
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