Kohler K-3821-1 Stainless Steel Vault 33" Single Basin Top-Mount/Under-Mount 18-Gauge Stainless Steel Kitchen Sink with SilentShield

- Item #: BCI1226047

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Stainless Steel
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  • Garbage Disposal recommended
  • Basket Strainer Required
Product Features:
  • Single basin design provides maximum available workspace
  • Covered under Kohler's limited lifetime warranty
  • The distinctive, modern design of the Vault sink lends a contemporary vibe to any kitchen
  • This spacious sink features tightly angled corners to maximize basin space and sloped bottom that helps with draining and clean up
  • Hand crafted from 18-gauge stainless steel giving both the aesthetic beauty you want and the durability and longevity you need
  • Top-mount or Under-mount installation options
  • Rear drain location increases workspace area in the sink as well as storage area underneath
  • All hardware needed for installation included

Product Technologies / Benefits:

  • SilentShield®: A sound-absorption system found in many Kohler sinks that significantly reduces the noise from clanging dishes and silverware, as well as undesirable noise caused by running water and disposals.
Product Specifications:
  • Height: 9-5/16" (measured from the bottom of the sink to the top most point of the sink)
  • Overall Width: 22" (measured from the back outer rim to the front outer rim)
  • Overall Length: 33" (measured from the left outer rim to the right outer rim)
  • Basin Width: 16-9/16" (measured from the back inner rim to the front inner rim)
  • Basin Length: 30-1/4" (measured from the left inner rim to the right inner rim)
  • Basin Depth: 9" (measured from center of the basin to the rim)
  • Installation Type: Top-mount or Under-mount
  • Number of Faucet Holes: 1
  • Drain Outlet Connection: 3-5/8"
  • Minimum Base Cabinet Width: 35"
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 can improve your sense of gracious living with every experience you have with a Kohler product or service.

With everything that Kohler does it lives on the leading edge of design and technology, while maintaining a constant level of quality regardless of price. Kohler sets the standard of excellence in its field, and yet is constantly striving to improve.

From sustainable products in the kitchen and bath, to engines for lawn tractors and generators, 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-3821-1

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

  • Kohler K-3821-1-NA
    Stainless Steel

*Denotes a finish or option that has been discontinued

Product Videos

  • Do It Yourself: Replacing or Installing a Kitchen Sink
    Changing out your old kitchen sink for a new one can seem like a very difficult do-it-yourself job. However, it does not have to be! Follow Milan Rosan of Build.com as he shows you the step-by-step process of replacing and installing your kitchen sink in your home.

Installation Resource Center

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-3821-1 Reviews

Rated 2 out of 5 by from disappointed I was very excited to finally get a new sink! Opened the box ,beautiful looking sink. The sink is well made & is quiet. However, there is no slant in the basin....so the food just sits in the bowl, it doesn't drain down. It takes a lot of water to thoroughly rinse the basin. Stainless steel requires a lot of maintenance....wiping down, or you will see water spots.
Date published: 2013-09-07
Rated 4 out of 5 by from Good sink, but things you should know The look of the sink is very nice. Big, square, nice polished-steel. I would have given it a 5 star rating if it wasn't for two things: 1) There is a steel bar/bracket that runs along the underside edge of all 4 sides. This is NOT advertised in any of the literature here or from the manufacturer. If you are undermounting, then you can disregard. If you are self-rimming, this is important. The bar is used to attach the 10 supplied mouting brackets. Only the cutout guide (included with the product) shows you the cutout dimenions needed. The bars run about 3/8" in from the edge on all sides. Therefore your countertop cutout will need to account for this, or will have to be widened. 2) The edges are not 100% flat on plane. Mine arrived with a slight wavy curvature when looking straight across from the edges. You will not notice from above, but if you install it self-rimming you will notice small gaps between the edge of the sink and countertop. The metal is not that thick and bends relatively easily, so you can straighten it out (especially at the corners) if you are a perfectionist and this bothers you. Other than that, I am happy with the sink. It looks very modern.
Date published: 2010-10-28
Rated 3 out of 5 by from Disappointed! I do love the size and configuration of this sink. It's sleek and has wonderful space for washing large pots, etc. I wish that the description of the sink had warned that this sink is a polished stainless and is VERY prone to scratches. After just a week or so the floor of the sink shows many obvious scratches. I have the rack for the bottom but should a utinsil drop through, it is impossible to keep from scratching! The 90 degree corners are a little more difficult to clean but that wouldn't keep me from purchasing again. However, I will never purchase a polished stainless again due to the ease of scratching.
Date published: 2012-05-26
Rated 5 out of 5 by from awesome sink Absolutely love this sink. Great look, large & deep. Edges are so flush to the counter top. Bought the rack that goes on the bottom which just compliment the sink so well. Everyone who see the sink also loves it. Bought all new stainless appliances & this sink makes the kitchen just look awesome.Only draw back was that I have a stone countertop & it had to be widened to fit the sink because of the brackets that are welded to the underside of the sink.
Date published: 2011-09-17
Rated 4 out of 5 by from Nice size sink Very happy with this sinks size, works well with the Kraus faucet w/pot filler too. Like others have stated the sink bottom does not drain well, you have to wash it down, which would not have been a problem if not for all the low flow faucets that are only being sold - so use your sponge to help all down the drain. I do appreciate the in sink grate that Kohler provides with this sink.
Date published: 2014-06-16
Rated 5 out of 5 by from Great Purchase Love this sink. I actually enjoy doing dishes again. My largest pans fit without a struggle. The bottom stainless grate prevents scratching and it was included with the purchase of the sink. Looks beautiful and gives my kitchen an entirely different look.
Date published: 2012-11-27
Rated 4 out of 5 by from Not quite great...but still very good I purchased this sink to replace an existing self-rimming double bowl sink. My sink unexpectedly arrived with a sink rack, which I have found to be useful. On the plus side, the single bowl makes washing larger items so much easier. And there is no denying that this sink looks fabulous. The low profile of the edges gives a clean, updated look to my otherwise traditional kitchen. On the down side, I wanted to keep my existing single hole faucet with separate soap dispenser and sprayer. As Kohler doesn't offer this configuration, I had to purchase the single hole sink and then pay extra for the plumber to drill holes at both corners. One slip and your sink is ruined...most plumbers would rather not take that risk. Lastly, I have noticed that the sink drains more slowly. I never had the issue with my double bowl sink, and am unsure as to what the cause is. Overall, this is a nice improvement over my existing sink.
Date published: 2012-01-05
Rated 5 out of 5 by from beautiful sink, great replacement option We bought this sink to replace a self-rimming sink. While we'd prefer an undermounted sink, we couldn't do it with our current granite. After having the existing hole (in the granite) modified a bit after removing the self-rimming sink, we installed this one. What a difference! It adds such a clean, modern feel to the kitchen, and oh! the space! To top it off, the sink is insulated so it doesn't "ding" when you drop a utensil in it. Installation was a bit more complicated, as described by a previous reviewer, and it took a bit longer. But it's definitely doable if you plan for it.
Date published: 2011-04-19

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