One-piece configuration provides a uniform look and simplifies installation
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 Santa Rosa toilet offers exceptional functionality with a small footprint
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
Includes a Brevia Q2 seat and cover
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.
Overall Height: 28-3/16" (measured from bottom of base to top of tank)
Overall Depth: 27-3/4" (measured from back of tank to front of rim)
Overall Width: 18-3/4" (measured from rightmost to leftmost edge of toilet)
Bowl Height: 16-1/2" (measured from floor to bowl rim)
Flow Rate: 1.6 GPF (gallons per flush)
Water Area: 11" x 8-1/8" (inner rim dimensions of bowl, length x width)
Water Depth (from Rim): 6-1/4"
Tank Width: 18-3/4" (measured from leftmost to rightmost edge of tank)
Tank Depth: 6-9/16" (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"
K-3811: This model
K-3811-Touchless: This model with Touchless flush
K-3323: This model with standard height bowl
K-3810: 1.28 GPF version of this model
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.
Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.
Kohler K-3811 Reviews
Rated 2 out of
Kohler 3811 ToiletThis has the "new" style flush. No flapper--it has a cylinder that raises up to let the water flush very rapidly. Mine leaked from reservoir from day one--about 2 gallons a day. Kohler sent a new seal, which didn't correct the problem. They are sending a whole new flush mechanism, but it is on backorder and will take a month. Not sure this better "mousetrap" of a flushing mechanism is good. The old style flappers have the weight of the water in the tank helping to make a good seal. These cylindars are light and don't have weight to make a good seal. I wouldn't recommend this one.
Date published: 2012-11-30
Rated 5 out of
Kohler one piece toilet Santa Rosa 1.6Kohler is a great product, I was told that the inner makings on their most expensive models are exactly the same as the less expensive models. It looks and works great. The only negative is the sound it makes when it flushes is a bubbling, gurgling noise, quite loud and if your bath is off the bedroom, at night it will wake your spouse. I guess that is to be expected from all the 1.6 gal and less flushes. It is not as elongated as others but we wanted that due to space restraints.
Date published: 2013-01-29
Rated 5 out of
Great toiletThis toilet looks sleek and modern. The flush is amazing. Best price.
Date published: 2013-09-03
Rated 5 out of
Don't worry........great flush.I drove myself crazy reading reviews about how this toilet flushes! This is the 2nd Kohler Santa Rosa 1.6 I've installed in the last three months. Looks great in Ice Grey and no problems with performance.
Date published: 2014-03-31
Rated 5 out of
Looks greatHard to get excited about a toilet, but this one looks great, the height is very comfortable. I wish I had gotten it last year before my hip replacement. I bought this model because of the larger flush (1.6 L). The one piece tank makes cleaning easier.
Date published: 2014-05-28
Rated 5 out of
Beautiful black toiletBeautiful black toilet looks great on my black marble floor. It has a stunning look, and I loveit that it is a one piece toilet! Easy to clean.
Date published: 2014-04-18
does this come with a soft-close seat?
A. The Kohler K-3811 comes with Brevia with Q2 Advantage Seat. You would need to order a different seat if you wanted the soft close seat.
how high is the seat ?
A. The Kohler K-3811 sets the seat 16 1/2" from the ground.
What is the weight?
The Kohler K-3811 weighs 101 lbs.
Is the height of the bowl 16 1/2 inches?
The Kohler K-3811 bowl height is 16.5".
What is the product number for a soft close seat ?
The Kohler K-3811 does include a seat. However, a compatible soft close seat would be a K-4636.
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