Kohler K-3817 Ice Grey Memoirs Stately 1.28 GPF Two-Piece Elongated Comfort Height Toilet with AquaPiston Technology - Seat Not Included

- Item #: BCI1690708

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

  • Toilet Seat Required
  • Wax Ring Kit Required

Package Includes:

  • K-4434: Memoirs 1.28 GPF toilet tank
  • K-4380: Memoirs elongated Comfort Height 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 Memoirs Stately Collection is inspired by the crisp, elegant lines of traditional architecture
  • 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
  • WaterSense certified - toilet uses 20% less water than the current standard while still maintaining superior performance
  • 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.
  • WaterSense Certified Product: To help make a difference on a global scale and to further its role as an industry leader in eco-performance practices, Kohler has established partnerships with a number of environmental organizations, including WaterSense. Many Kohler faucets and toilets are equipped with low-flow technology - they use less water, while continuing to meet superior performance standards.

Product Specifications:

  • Overall Height: 31-1/16" (measured from bottom of base to top of tank)
  • Overall Depth: 30-3/8" (measured from back of tank to front of rim)
  • Overall Width: 18-7/8" (measured from rightmost to leftmost edge of toilet)
  • Bowl Height: 16-1/2" (measured from floor to bowl rim)
  • Flow Rate: 1.28 GPF (gallons per flush)
  • Water Area: 11-3/4" x 9-1/2" (inner rim dimensions of bowl, length x width)
  • Water Depth (from Rim): 6-1/8"
  • Tank Width: 18-7/8" (measured from leftmost to rightmost edge of tank)
  • Tank Depth: 8-15/16" (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-3817: This model
  • K-3817-RA: This model with right hand trip lever
  • K-3817-Touchless: This model with Touchless flush
  • K-3819: 1.6 GPF version of this model
  • K-3933: This model with round bowl
  • K-3816: Memoirs Classic version of this model

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-3817

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

  • Kohler K-3817-47
  • Kohler K-3817-96
  • Kohler K-3817-7
    Black Black
  • Kohler K-3817-NY
  • Kohler K-3817-95
    Ice Grey
  • Kohler K-3817-G9
  • Kohler K-3817-0

*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.

Installation Resource Center

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Kohler K-3817 Reviews

Rated 5 out of 5 by from Whoosh! And It's Gone!!!!! It's been a year and we're still amazed at the efficiency of this product. Never had a low water usage toilet before and, frankly, we were hesitant. But now? We're ordering one more immediately and a third one eventually. Amazing technology! Couple this with the quiet close toilet seat and you will have entered the 21st Century. And the matching pedestal sink? Gorgeous! We got the widest one for our powder room and there's plenty of room around the basin for two pump bottles (one liquid hand soap and one hand lotion) on one side and a stack of fingertip towels on the other. Way to go, Kohler! Handsome design, flawless performance. Truly don't comprehend how other reviewer could have any problem with flush efficiency. Never thought I could be excited about a toilet! Weird? Yeah... But...
Date published: 2013-01-08
Rated 2 out of 5 by from The height is very comfortable. The flush is terrible. It saves no water because you need to flush 3 to 4 times to get clean water so you actually use more water. It takes a very long time to fill up so it runs for 5 minutes after each flush. For the price we paid it was not worth it. Where can I get new insides? I think they need to be replaced and the toilet is only 2 months old. Very disappointed.
Date published: 2012-09-29
Rated 5 out of 5 by from Beautiful Form & Function I've had this nearly a year and never have I had to flush more than once. The first few times I thought there was something wrong with it because the flush is very abbreviated compared to my previous toilet but it works like a champ every time. Tank refill is very quick so I'm assuming that the problem on contrary reviews is the plumbing leading to the toilet and not the toilet itself. The design is beautiful and the only issue I've had is that standard contour rugs do not accommodate the wide, square base well. It's a worthy tradeoff for me because I think the base is gorgeous. Kohler sets a new standard and I highly recommend it, especially at this price.
Date published: 2014-06-26
Rated 1 out of 5 by from Two years old and replacing it After two years and 5 plumber visits to unclog this toilet (Kohler Memoirs), I give up. Just ordered a Toto Eco Soiree Double Cyclone and will hopefully pay a plumber one last time to replace and haul off this Kohler. Fwiw, and this may be tmi, we use the thinnest possible toilet paper and the toilet clogs on #1 visits. Also, important to know, it's impossible to use a plunger on this model of Kohler. The design of the bowl prevents it. Only upside is faucetdirect is awesome and matched the lowest price I found online for the Toto.
Date published: 2014-04-30
Rated 5 out of 5 by from Kohler K-3817, What a great toilet. After a lot of research, I bought three Kohler K-3817 three weeks ago. I could not be more pleased. Another example of wshere technology has drastically improved a product. These replace my 25 year old toilets that used 4-5 GPF. The K-3817's only use 1.28 GPF, they are quiet, bowl refils in 30 seconds, and only one flush required. Two toilets were installed upstairs and one on the ground level. I see no difference in the performance because of a lower water pressure upstairs. In the past I have used build.com for other purchases and as usual the help was way above and beyond the call of duty. The three toilets were shipped from Iowa 1500 miles away on a pallet. They arrived in excellent condition three days after the order was processed. They were delivered at 8:30 am and I installed all three by 4:00 pm. The purchase was easier than going to a local store and they were delivered to my front door. Everytime my wife or I flush the toilet, we are impressed by the efficiency.
Date published: 2014-09-03

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