Model # K-3658-0

Internet #203241680

KOHLER Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
0650531947369

KOHLER

Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White

  • Comfort Height offers chair-height seating (about 2 in. taller)
  • Class 5 Flush exposes 90% less seal material (see video)
  • Toilet seat sold separately
Was  $239.00
$214.00 /each

Save $25.00 (10%)  through 10/17/2016

Fall Bath Sale on Select Items from Kohler!
Promotion Details
Price Valid : 09/26/2016 - 10/17/2016
Fall Bath Sale on Select Items from Kohler!
Color/Finish: White
  • Almond
  • Biscuit
  • Black Black
  • Sandbar
  • White

Frequently Bought Together

Product Overview

With its clean, simple design and efficient performance, this Highline water-conserving toilet combines both style and function. An innovative 1.28-gal. flush setting provides significant water savings of up to 16,500 gal. per year, compared to an old 3.5-gal. toilet, without sacrificing flushing power. The elongated seat and chair-like height ensure comfortable use.

  • 2-piece toilet
  • Elongated bowl offers added room and comfort
  • Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults
  • 1.28 gallons per flush
  • Seat not included
  • Standard left-hand Polished Chrome trip lever included
  • Combination consists of the K-4436 tank and the K-4199 bowl
  • Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl, and trapway to create a strong siphon during flushing
  • Class Five flushing technology offers plug- and leak-free performance, extraordinary flushing, and better rinsing power for a cleaner bowl
  • Standard 12 in. rough-in
  • Three-bolt installation
  • 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
  • Features to consider when buying a toilet

Info & Guides

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Specifications

Dimensions

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Warranty / Certifications

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Customer Questions & Answers

17 Questions21 Answers

Customer Questions & Answers

Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White

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This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
 
2 answers

is it insulated

This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
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April 12, 2016
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April 13, 2016
Answer: 
No, this model is not insulated.
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April 13, 2016
Answer: 
Hello, my name is Julie with KOHLER Customer Service. I am happy to assist you with your toilet question.
No. I am sorry. The 3658 Highline is not available with an insuliner. The 3999-U Highline would be available with an insulated tank liner.
Please work with your local Home Depot for pricing and availability on this product.
Thank you for choosing the Bold Look of KOHLER.
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This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
 
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Are the 3 accessories shown required for installation? What about a toilet seat to fit this toilet?

This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
Asked by
Washington, DC
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August 5, 2014
Please respond ASAP as I need to order. Thanks.
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Answers (2)

Asked by
pittsford, ny
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August 17, 2014
Answer: 
There isa good toilet seatto fit the toilet. A Bemis wooden seat cost about $16. You do need a wax seal and a new water intake line for a toilet
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KohlerCo.
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Home Improvement Profile: Other
August 6, 2014
Answer: 
Hello, my name is Heather with KOHLER Customer Service. I am happy to assist you with your toilet question.
The supply and wax ring are needed for installation of the K-3658-0. The recommended toilet seat for this toilet is the K-4713-0 (French Curve Quiet Close elongated toilet seat).
Please work with your local Home Depot for pricing and availability on these products.
Thank you for your inquiry and Read More
Hello, my name is Heather with KOHLER Customer Service. I am happy to assist you with your toilet question.
The supply and wax ring are needed for installation of the K-3658-0. The recommended toilet seat for this toilet is the K-4713-0 (French Curve Quiet Close elongated toilet seat).
Please work with your local Home Depot for pricing and availability on these products.
Thank you for your inquiry and choosing the Bold Look of KOHLER. Read Less
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This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
 
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3 bolt installation

This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
Asked by
LAS VEGAS,NV USA
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June 5, 2014
I just ordered this Kohler Model # K3658-0, I overlook the product overview info. that it's a 3 bolt installation. Does it mean that I can't use it cause I am replacing 2 bolt floor mount. Order #W279743765. Pls. let me know if I made a mistake ordering this model.
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Asked by
pittsford, ny
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August 17, 2014
Answer: 
This only applies to the tank to the base. It is still just two bots to mount to the floor
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KohlerCo.
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Home Improvement Profile: Other
June 5, 2014
Answer: 
Hello, my name is Justine with KOHLER Customer Service. I am happy to assist you with your toilet question.
The Highline Comfort Height two-piece elongated 1.28 gpf toilet with Class Five flush technology in White model number 3658-0 is actually a 2 bolt floor mount installation. What they are referring to in the product overview is the 3 bolt tank to bowl installation.
For additional assistance on Read More
Hello, my name is Justine with KOHLER Customer Service. I am happy to assist you with your toilet question.
The Highline Comfort Height two-piece elongated 1.28 gpf toilet with Class Five flush technology in White model number 3658-0 is actually a 2 bolt floor mount installation. What they are referring to in the product overview is the 3 bolt tank to bowl installation.
For additional assistance on this inquiry, please contact our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537)
Thank you for your inquiry and choosing the Bold Look of KOHLER.
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This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
 
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k 4199(bowl) and 4436 (tank) together = k3658 highline comfort height. Is the quality the same as ordering k3658 asI did?

This question is from Highline 2-piece 1.28 GPF Single Flush Elongated Toilet in White
Asked by
tx
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May 27, 2014
the 3658 as I did?
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Asked by
pittsford, ny
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August 17, 2014
Answer: 
The 3658 is the number of the whole toilet together. It comes in two pieces, the 4199 bowl and the 4436 tank.
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Asked by
KohlerCo.
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Home Improvement Profile: Other
May 28, 2014
Answer: 
Hello, my name is Heather with KOHLER Customer Service. I am happy to assist you with your toilet question.
Yes, the toilet will be the same. The K-4199-0 bowl and the K-4436-0 are the components that make the K-3658-0 Highline comfort toilet. By you ordering the K-3658-0 that is simply the combination number for that toilet. The toilet seat also is sold separately. The recommended Kohler seats for this Read More
Hello, my name is Heather with KOHLER Customer Service. I am happy to assist you with your toilet question.
Yes, the toilet will be the same. The K-4199-0 bowl and the K-4436-0 are the components that make the K-3658-0 Highline comfort toilet. By you ordering the K-3658-0 that is simply the combination number for that toilet. The toilet seat also is sold separately. The recommended Kohler seats for this toilet are K-4636-0 (Grip-Tight Cachet Q3) and K-4688-0 (Cachet Q2 Advantage seat). Q3 functionality includes quick-release, quick-attach and quiet-close while the Q2 functionality includes quick-release and quick-attach.
Thank you for your inquiry and choosing the Bold Look of KOHLER. Read Less
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Customer Reviews

Rated 3.9 out of 5 by 9 reviewers.
Rated 5.0 out of 5.0 by This toilet will flush anything. I bought this toilet about10 months ago and it is the best toilet I have ever had. It flushes everything very thoroughly. I believe that I could put a shovel full of dirt and a dozen ping pong balls in there and it would cleanly dispose of it all in one flush. Thanks for a great toilet. February 8, 2016
Rated 5.0 out of 5.0 by quiet and efficient friendly sales personnel helped with this special order which was 20% less than same product at lowes. installation plumber was neat, and very clean during the whole process which took less than one hour and included installation of a new shutoff valve. we are very pleased with the entire process. January 19, 2016
Rated 1.0 out of 5.0 by Ineffective at flushing solid waste The supposed effecient use of only 1.28 GPF is misleading when you factor in the number of times this toilet clogs on solid waste and then the number of flushes combined with a plunger to move the solid waste on. With several flushes requred to move on solid waste in combination with a plunger this actually uses more water than our previous standard 1.6 GPF toilet. This toilet clogs on solid waste regularly (almost daily with regular use shared by two people) and unclogging it with a plunger is difficult because of the specially formed flush channel in the bowl that makes it difficult to get a good seal around the bowl drain. After only a month we are getting rid of this toilet because of the constant frustration of it plugging up. July 31, 2015
Rated 3.0 out of 5.0 by Nice toilet, read the fine print So sorry I did not read the fine print to see that the toilet seat was not included. Great shipment to house but it was missing the wax ring and multiple nuts and bolts. This involved and extra hour pay for the installer as I ran back and forth for supplies. I am very disappointed. Had I checked for all parts I would still not have noticed as this is not something I normally do. I have purchase 2 other Kohler toilets in the past 2 years, both included toilet seats. The picture shows a toilet seat too. October 4, 2014
Rated 4.0 out of 5.0 by Highline toilet Clearly a quality toilet.Easy to install.Almost Flushes everything.But for the most part does an excellent job.Happy I bought it. January 13, 2015
Rated 5.0 out of 5.0 by Great Toilet The fill valve was defective out of the box, and sprayed water out horizontally at the top of the tank during filing, which made water run down the outside of the tank. An inverted and empty cream cheese container over the top of the valve diverted the spray downward into the tank (allowing for use without getting wet) until the replacement part arrived. All is fine now. It's really amazing that 1.2 gallons gives such a good flush. July 15, 2014
Rated 2.0 out of 5.0 by Incomplete flush Does not flush bowl contents entiely (#2). Very disappointing for such an otherwise quality toilet. Simply does not perform. Very embarrasing if you have company, for them and for you. November 5, 2014
Rated 5.0 out of 5.0 by Great Buy Great product and great price. It was easy to install. October 7, 2014
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