Kraus KHU100-32 Undermount Single Bowl Kitchen Sink

Quick Specs at a Glance

Core measurements

• Overall size: 32″ (L) x 19″ (W)
• Bowl size: 30″ (L) x 17″ (W)
• Bowl depth: 10″ deep (overall depth is commonly listed around 10–10.5″)
• Minimum cabinet size: 36″
• Drain opening: 3-1/2″
• Drain placement: Rear-set / rear center-set (helps free up cabinet storage)

Materials and features

• Construction: Heavy-duty 16-gauge stainless steel (Kraus markets this as TRU16)
• Finish: Wear-resistant satin finish (designed to be low-maintenance)
• Noise control: Sound-dampening pads + insulating undercoating (NoiseDefend)
• Drainage: Sloped bottom with channel grooves to guide water toward the drain
• Corner radius: Tight, modern corners (about R3/8″) for a crisp look that still cleans up well
• Warranty: Limited lifetime warranty (per Kraus documentation)

Why People Keep Choosing the KHU100-32

The KHU100-32 sits in a sweet spot: it’s big enough to feel like a “serious” sink, but not so enormous that you
need to rebuild your entire kitchen around it. A 32-inch single bowl is basically the kitchen equivalent of a
roomy carry-on suitcase: it fits the stuff you actually use (stock pots, roasting pans, baking sheets) without
becoming a lifestyle.

1) The single-bowl advantage (yes, you can still “separate” things)

Single-bowl fans love the freedom: you’re not negotiating with a divider every time you try to wash a sheet pan
or soak a Dutch oven. If you’re used to a double bowl, the concern is usually, “Where do I put the dirty dishes
while I rinse produce?” The answer is simple: use the included bottom grid to protect the finish, then create
zonesone side for the messy pile, one side for rinse work. It’s not a legal separation, but it’s effective.

2) Undermount cleanup is genuinely easier

With an undermount sink, there’s no rim sitting on top of the counter collecting gunk like a tiny, horizontal
guilt shelf. Crumbs and water wipe straight into the basin. If you cook often, this is one of those “small”
daily conveniences that adds up fast.

3) Quiet matters more than you think

Stainless steel can be loudlike “why does rinsing a spoon sound like I’m forging a sword?” loud. Kraus leans
into noise control with large sound-dampening pads and an insulating undercoating. The goal isn’t silence; it’s
removing the clangy echo so your kitchen feels calmer.

Design & Build Quality: What You’re Actually Buying

16-gauge stainless steel: why the number matters (and why it isn’t everything)

In sink world, gauge is thickness: lower gauge = thicker steel. That matters because thicker steel is
typically more resistant to flexing, “oil canning” noises, and dents from heavy cookware. The KHU100-32 is a
16-gauge sink, which is generally considered a more robust choice than the very common 18-gauge options.

That said, gauge isn’t the whole story. Steel grade, finish, soundproofing, and how the sink is formed all
affect real-world durability. The KHU100-32 is commonly described as premium-grade T-304 stainless steelpopular
in kitchens because it resists corrosion and holds up well to daily use.

Modern geometry: straight walls, tight corners, maximum usable space

This sink is designed with straight sidewalls and tight-radius corners. Translation: more flat bottom area and
more “vertical” capacity, which is why it feels so big in practice. Tight corners also look cleaner and more
contemporary. The tradeoff with ultra-sharp corners is cleaning difficulty, but Kraus aims for a radius that
stays modern without turning cleaning into an extreme sport.

Satin finish: the “I actually live here” aesthetic

Polished sinks look amazing for five minutes. Then someone breathes near them and fingerprints appear like a
crime scene. A satin finish is a practical middle ground: it has enough texture to hide small water spots and
everyday micro-scratches, and it looks appropriate with everything from modern matte-black faucets to classic
chrome.

Drain engineering: rear-set drain + channel grooves

The rear-set drain does two helpful things: it creates more usable bowl space (because your biggest pot isn’t
bumping the drain as early), and it can free up a bit of cabinet room below for storage. Add in a sloped bottom
with channel grooves, and water is encouraged to move toward the drain instead of lingering in a sad puddle.
Less standing water = fewer water spots and less “why is this still wet?” confusion.

Installation Reality Check (Before the Countertop Is Cut)

The KHU100-32 is undermount, which means the sink mounts under the countertop and relies on proper support.
Most of the “sink regrets” people experience come from installation shortcutsnot from the sink itself.

Cabinet size: the 36-inch minimum is not a suggestion

Kraus calls for a 36-inch minimum cabinet. That’s the cabinet width needed to fit the sink and
mounting hardware comfortably. If you try to squeeze it into something smaller, you’re gambling with fit, faucet
alignment, and installer sanity.

Countertop compatibility: undermount loves solid surfaces

Undermount sinks are typically best paired with solid countertop materials like granite, quartz, and other solid
surfaces that can support the mounting method. If you’re working with laminate or tile, undermount can be
trickier because seams and weaker edges may not provide the same long-term security. (Not impossible in every
scenariobut the risk/reward ratio changes.)

Support matters: clips, adhesive, and the “gravity test”

A properly installed undermount sink should feel like part of the countersecure, stable, and not auditioning
for a surprise drop. Installers commonly use mounting clips and adhesive; some setups also include additional
sink supports or rails. If you’re replacing an older undermount sink, it’s also worth knowing that failing clips
and aged adhesive are common culprits when sinks loosen over time.

Pro tip: confirm your reveal and faucet clearance

Before fabrication, decide your sink reveal (negative, flush, or positive) and confirm the cutout with your
fabricator. A negative reveal looks sleek but can make wiping crumbs in slightly harder if the counter overhangs
the sink too much. Flush is a popular balance for daily usability.

Everyday Performance: Dishes, Cookware, and Real Life

It’s built for “big stuff”

The 30″ x 17″ bowl area is the headline here. That’s enough room for:

• Large sauté pans and wide skillets (even with long handles)
• Stock pots that normally don’t fit well in split-bowl sinks
• Rimmed sheet pans (especially when angled)
• A small mountain of dishes when guests “help” by stacking everything in one place

Depth: great for splashes, less great for… your back (sometimes)

A 10″ deep sink is fantastic for containing mess and hiding dishes you swear you’ll wash “right after this one
episode.” The only downside is ergonomics for shorter users: deep sinks can mean a little more leaning forward.
If that’s a concern, pairing the sink with a faucet that has good reach and a pull-down sprayer can make daily
use more comfortable.

Noise: “thunk” instead of “clang”

With soundproofing pads and undercoating, you should expect a more muted sound profile during useespecially
noticeable when running water into an empty bowl or using a garbage disposal. It’s not silent (it’s a sink, not
a library), but it’s usually far less metallic than bargain stainless basins.

Accessories: The Bundle That Actually Matters

The KHU100-32 is often sold as an installation-ready kit, which is a big deal because accessories can add up.
The included pieces aren’t just fluff; they protect the sink and improve daily workflow.

Bottom grid: your sink’s bodyguard

A stainless bottom grid keeps dishes elevated, helps water drain, and reduces direct contact between cookware and
the sink floor. It also helps preserve the satin finish by minimizing scuffing in the high-contact zone.

Basket strainer drain assembly: small part, big quality-of-life impact

A removable strainer helps catch food debris before it heads toward “clog city.” Even if you have a disposal,
strainers are usefulespecially with fibrous foods, rice, and coffee grounds (which have a PhD in plumbing chaos).

Mounting hardware + cutout template: fewer surprises

When a sink includes mounting hardware and a template, you reduce the odds of last-minute trips to the hardware
store. If you’re coordinating with a fabricator and installer, having the manufacturer’s cutout guidance helps
everyone stay aligned.

Care & Cleaning: Keep the Satin Finish Looking Satin

Daily routine (takes about 30 seconds)

1. Rinse out debris (future-you does not enjoy surprise food archaeology).
2. Wash with mild soap and water using a soft sponge or cloth.
3. Rinse thoroughly.
4. Wipe dry to reduce water spotsespecially if you have hard water.

Weekly “reset” clean

For mineral buildup or dullness, use a stainless-steel-safe cleaner. Many homeowners reach for Bar Keepers Friend
(used correctly) to brighten stainless surfaces. The key is gentle pressure, thorough rinsing, and avoiding harsh
chemical combinations.

What to avoid (your sink’s “do not invite” list)

• Bleach, ammonia, and harsh chemicals (they can damage finishes and protective layers).
• Steel wool or aggressive abrasives that can scratch against the grain.
• Letting salty or acidic residue sit for long periods (especially in hard-water areas).

Scratches: the honest truth

Stainless steel sinks scratch. All of them. Over time, those tiny scratches blend into the grain and look more
uniform. The goal isn’t to avoid every scratch; it’s to keep the finish consistent by cleaning with the grain
and using the grid to reduce direct wear.

Who Should Buy This Sink (and Who Shouldn’t)

This sink is a strong fit if you…

• Want a deep, single-bowl undermount sink that handles large cookware easily
• Prefer a modern, clean-lined look that still works in transitional kitchens
• Care about reduced noise and a more “solid” feel in stainless steel
• Like bundled accessories (grid, strainer, hardware) that make installation smoother
• Have (or can plan for) a 36″ sink base cabinet and a solid-surface countertop

You might want a different option if you…

• Absolutely need two basins for simultaneous wash/rinse without “zone sharing”
• Have a smaller sink base cabinet and can’t reconfigure cabinetry
• Are installing into laminate/tile and want the simplest, most forgiving setup (drop-in may be easier)
• Want a workstation sink with built-in ledges for sliding accessories (Kraus has lines designed for that)

FAQs

Will a garbage disposal work with the Kraus KHU100-32?

In most standard installations, yes. The sink uses a standard 3-1/2″ drain opening, which is commonly compatible
with many disposal setups. Always verify your specific disposal model and hardware requirements, especially if
you’re combining parts from multiple brands.

Does the sink actually drain well?

The basin is engineered with a sloped bottom and channel grooves to encourage water to move toward the drain.
Proper installation matters hereif the sink isn’t mounted level, even the best grooves can’t defeat physics.

Is 32 inches too big for a “normal” kitchen?

Not usually. A 32″ undermount sink is a common “upgrade size” because it feels noticeably more spacious than
smaller basins without demanding a huge cabinet run. The key requirement is the 36″ minimum cabinet.

What’s the biggest maintenance mistake people make?

Letting water spots and minerals build up, then attacking them with harsh chemicals. Stainless steel likes
consistency: mild daily cleaning, periodic deeper cleaning, and drying after heavy use if hard water is an issue.

Final Take

The Kraus KHU100-32 undermount single bowl kitchen sink succeeds because it focuses on what
people actually want from a daily-driver sink: real space, durable stainless construction, quieter use, and
sensible accessories that protect the finish. It’s a practical “premium” upgradeespecially if you cook often
and you’re tired of negotiating with a divider wall every time you wash something larger than a cereal bowl.

If you have the right cabinet size and a solid-surface countertop, this sink can be a long-term, low-drama
centerpieceexactly what you want in a kitchen, where the drama should be reserved for cooking shows, not plumbing.

500+ Words of Real-World Experiences & Scenarios

Let’s talk about what life is like after the installwhen the contractors are gone, the backsplash dust
has finally stopped showing up in your coffee, and you’re using the sink like a normal human (or like a normal
human who cooks three meals a day and treats cast iron like a personality trait).

The “Sheet Pan Test”

One of the quickest ways to know you made a good sink choice is whether your sheet pan fits without twisting
into an awkward angle like it’s trying to escape. With a 30″ x 17″ bowl, the KHU100-32 usually handles sheet
pans far more gracefully than split-bowl sinks. You’ll still sometimes angle a rimmed pan, but it’s a “slight
tilt” situationnot a “why am I doing yoga with cookware?” situation. The difference becomes obvious the first
time you roast vegetables, glaze a chicken, and realize cleanup doesn’t require a second location.

The “Big Pot + Real Cooking” Scenario

If you cook soups, pasta, or anything that starts with “first, boil a large pot of water,” you know how annoying
it is to wash or rinse a big stock pot in a cramped sink. In a roomy single bowl, you can set the pot down flat,
actually reach the bottom with a sponge, and rinse without water launching itself onto the countertop like a
tiny kitchen fountain show. The depth helps keep splashes contained, tooespecially when you’re wrangling a pot
full of starchy pasta water that seems determined to coat everything in a vague film of “why is this sticky?”

Zone Living: Dirty Side vs. Clean Side

Double-bowl loyalists often worry they’ll miss the built-in separation. In practice, many people create zones:
stack dirty dishes on the left, rinse and wash on the right, then set clean items on a drying rack nearby. The
bottom grid helps here because it protects the sink while giving you a consistent “base” to set pans and plates.
If you’re soaking something, you can keep it toward the drain end and still have room to wash smaller items in
front. It’s not as formal as two bowls, but it’s flexibleand flexibility is the whole point.

The Quiet Surprise

You don’t buy a sink thinking, “I can’t wait to experience reduced vibration.” Yet, once you have a sink with
decent soundproofing, it’s hard to go back. The difference shows up in small moments: dropping utensils doesn’t
sound like a cymbal crash, running water into an empty basin is less echo-y, and the garbage disposal (if you use
one) feels a bit less like you’re operating a tiny wood chipper under the counter. It’s still kitchen noisebut
it’s more “normal life” and less “medieval blacksmith.”

Finish Reality: The “It Still Looks Good” Timeline

A satin stainless finish is basically designed for people who would rather cook than polish. In daily use, you’ll
likely see water spots if you have hard water (that’s a water issue, not a sink issue), and you’ll see micro-scratches
over time (because physics). The good news is that satin finishes tend to “age in” better than high-polish ones.
A quick rinse and wipe-down after dinner keeps things looking clean, and a weekly deeper clean brings back that
fresh, brushed glow. Many people also find that using the grid consistently is the difference between “a few
normal marks” and “why does my sink look like it lost a fight with a barbecue fork?”

Holiday Mode: When the Sink Earns Its Keep

The biggest “aha” moments often happen during high-traffic cooking: Thanksgiving prep, a birthday party, or
any weekend when your kitchen becomes the neighborhood hangout. A deep single bowl can hide a surprising amount
of chaossoaking roasting racks, corralling serving utensils, rinsing produce, and keeping the countertop clearer
for actual food prep. It’s not that the sink makes you cleaner; it just gives you a place to put the mess so your
kitchen feels functional even when you’re cooking at full speed. And honestly, sometimes the best kitchen upgrade
is the one that lets you enjoy the cooking instead of dreading the cleanup.