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Model # K-3810-G9

Internet # 203006195

Santa Rosa Comfort Height 1-piece 1.28 GPF Compact Elongated Toilet with AquaPiston Flush Technology in Sandbar

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$459.86 /each




Model # K-3810-G9

Internet # 203006195

Store SO SKU # 285286

This Santa Rosa toilet's one-piece design adds a contemporary look to your bathroom environment while conserving space with a compact elongated bowl Its 1.28 Gal. high-efficiency flush provides significant water savings of up to 16,500 Gal. per year, versus an old 3.5 Gal. toilet, without sacrificing performance A chair-height, elongated seat makes it comfortable to use.

  • 1-piece toilets integrate the tank and bowl into a seamless, easy-to-clean design
  • Compact elongated bowl offers added comfort while occupying the same space as a round-front bowl
  • Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults
  • 1.28 GPF (gallons per flush)
  • Standard left-hand trip lever included
  • Seat and lid included
  • Supply line not included
  • Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl, and trapway to create a strong siphon during flushing
  • AquaPiston canister allows water to flow into the bowl from all sides (360°), increasing the power and effectiveness of the flush
  • Flush valve's 3: 2 ratio harnesses the natural force of gravity and optimizes flush performance
  • Durable canister design has 90% less exposed seal material than a 3 in. flapper, for leak-free performance
  • Light-touch canister flush requires a lower actuation force than a flapper
  • Standard 12 in. rough-in
  • WaterSense toilets meet strict EPA flushing guidelines, including using at least 20% less water than 1.6 Gal. toilets
  • Eligible for consumer rebates in some municipalities

    Kohler AquaPiston Flushing Technology

Info & Guides

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Bowl Height (in.) 
Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
Bowl Height 
Comfort Height 
Bowl Shape 
Color Family 
Commercial / Residential 
Flushing Mechanism 
Gravity Flush 
Flushing Technology 
Gravity Fed 
Flushing Type 
Single Flush 
Gallons Per Flush 
1.28 gal (US) 
MaP Performance Rating 
Vitreous China 
Mount Location 
Floor Mount 
Product Weight (lb.) 
103 lb 
Rough In Size 
Toilet Features 
No Additional Features 
Toilet Included Components 
Trip Lever Location 
Left Side 
Warranty / Certifications
Certifications and Listings 
ADA Compliant 
Manufacturer Warranty 
One year limited warranty 


Rated 4.6 out of 5 by 278 reviewers.
Rated 5.0 out of 5.0 by A nicely designed, functional toilet Bought this to replace an older Kohler normal height 2 piece toilet that developed a leak at the bowl-to-tank gasket that was hard to fix. Anyhow, we needed a "comfort height" toilet for, well, comfort as we get older. The toilet was ordered on the Internet and sent to the local Home Depot. I arranged for pickup and installation through Home Depot, as this is a one-piece toilet and a bit too heavy for my old back. The installer came and put the toilet in, took the old one out and after a week of use, it works great. One would not think the 1.28 GPF would provide a good flush, but it really does -- no problemos. The flush valve is different for a one-piece, and Kohler has a different flush valve system than say American Standard for a one-piece toilet, but I think this will last a long, long time before I need to worry about replacing it. All in all a very good toilet, but it does cost a bit more for the one-piece feature and and a bit more for color, but for us, well worth it. April 7, 2015
Rated 4.0 out of 5.0 by Nice quality and finish Great quality and finish would have been even better if the wax ring and bolts were included (considering the price). Was very pleased on how quickly the toilet was shipped as it was a non-stocking color. May 1, 2013
Rated 5.0 out of 5.0 by One flush and it's gone Yea Easy install works great. Only one flush is needed yea. Older or handicapped may need a second helper to mount on the bolts because it's heavier for being one piece. Sets a little taller than my old one did but it's a lot easier to stand back up. Buy it you'll love it. December 30, 2014
Rated 5.0 out of 5.0 by Great toilet The toilet itself is great. Flushes really well and does not use much water. The seat is not good (one came broken). However, I had planned to replace the seats with slow close seats and purchased the Bemis slow close elongated seat, opting for the heavier enamel on wood which was only an extra dollar at $35.98 (not listed on the web but available in the store at Seaside, CA). BTW, the Vigo vessel sink and faucet and the Home Decorators Fuji 24 inch vanity were also purchased from Home depot. These were all excellent purchases. January 13, 2015
Rated 4.0 out of 5.0 by Looks great; easy to install, but one thing to consider Looks great, was easy to install, functions well for low flow, good value, a quality product. One technical diappointment. When selecting this toilet the specs led me to believe it would extend from the wall about an inch less than my current toilet. This was an issue due to a our plans for a new shower door. But once installed it actually extended almost an inch further from the wall. Rough-in was 12 inches for both old and new. This was a big disappointment and resulted in a shower door of 24" rather than the planned 26" which would have worked better. Other than that technical detail, we love the toilet. July 11, 2014
Rated 5.0 out of 5.0 by Happy we bought this toilet! This toilet was purchased for my mothers bathroom. She is 80 years old and she loves the new toilet. She likes it because it is compact, one piece, and has a nice finish that is easy to clean. It is slightly higher and easier for her to use. Good purchase, I would recommend it. December 26, 2014
Rated 4.0 out of 5.0 by Great toliet I have three of these toilets in my house they are very easy to install and easy to clean being a one-piece. One of the toilets I have had for almost three years with no problems and the others have been installed for two years and one for about a month. The only thing i do not like is the seat which is cheap plastic and I will eventually change the seats out this is why I am giving 4 stars instead of 5. August 19, 2014
Rated 5.0 out of 5.0 by This toilet is a great addition to a small bathroom. This toilet is a great replacement/addition to our very small bathroom. It is very stylish and really fits well into the small space. Flushes efficiently and quietly, very clean look in our contemporary home. Comfortable throne height! Very satisfied user April 30, 2014
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