Blanco QUAR15SSB Quatrus R15 S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$826.15
Blanco QUAR15SSB Quatrus R15 Super Single Bowl Undermount Stainless Steel Kitchen Sink

Blanco QUAR15SSB Quatrus R15 Super Single Bowl Undermount Stainless Steel Kitchen Sink

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Model: 524221
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$826.15
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Everyday convenience meets modern design. The QUATRUS R15 32" Single Bowl Undermount Stainless Steel Kitchen Sink is ideal for busy kitchens thanks to its spacious single bowl configuration that allows for easy washing of large pots and pans. German-engineered with corrosion-resistant stainless steel for long-lasting durability and 15 mm radius corners for low-maintenance cleaning —the QUATRUS R15 32" sink makes kitchen life easy. Combine the QUATRUS R15 32" sink with a BLANCO faucet and accessories to create a BLANCO UNIT; a seamless, fully-integrated kitchen solution designed to transform kitchen chores into joyful experiences. Everything you need to drink, prep and clean, all in one place.
  • Undermount installation creates an easy-to-clean, seamless design
  • Pre-installed sound dampening pads reduce noise generated in the sink
  • X-patterned grooves quickly drain and prevent liquids from pooling in the sink basin
  • Optional accessories include grid (#235968), elevated grid (#231608), colander (#224387), cutting board (#231609) and foldable drying mat (#238483)
  • Basket strainer and installation clips sold separately
  • Trusted for over 95 years, BLANCO sinks are covered by a Limited Lifetime Warranty

Manufacturer Resources

Spec Sheet

Product Specs

Department:
Plumbing

Blanco 524221 – Frequently Asked Questions

1) Does the Blanco Quatrus R15 super single bowl sink drop in from above, or does it mount under the counter?
The Quatrus R15 super single bowl is an undermount sink. It mounts beneath the countertop for a seamless rim, so it needs a solid-surface, stone or quartz top with a finished cutout edge, not a laminate top. Installation clips are sold separately, so order those with the sink if your fabricator isn't supplying them.
2) What sizes does the Blanco Quatrus R15 Super Single undermount sink come in, and what are the part numbers?
Two sizes, both in a satin polish stainless finish: the 32 inch under Blanco part number 443148, and the 33 inch under 524221. Same super single bowl configuration in each, so the choice comes down to your cabinet width and cutout.
3) Do I need to buy a drain basket strainer separately for the Blanco Quatrus R15 sink?
Yes. The basket strainer is not included with the Quatrus R15 and is sold separately, as are the undermount installation clips. Budget for both on the job, plus a tailpiece and trap if you're not reusing the existing drain assembly.
4) What accessories fit the Blanco Quatrus R15 32 inch single bowl sink?
Blanco lists a bottom grid (#235968), an elevated grid (#231608), a colander (#224387), a cutting board (#231609) and a foldable drying mat (#238483) as options for the Quatrus R15. The grid is the one most buyers add on day one, since it keeps pans off the basin floor.
5) Are the 15 mm radius corners on the Quatrus R15 hard to keep clean compared to a true zero radius sink?
They're easier. A zero radius corner is a tight square that traps debris; the Quatrus R15 uses a 15 mm radius, which keeps the sharp modern look but leaves enough curve for a sponge to reach into the corner. The basin also has X-patterned grooves that pull water to the drain instead of letting it pool.
6) Is a super single bowl better than a double bowl for a rental or multi-family kitchen?
A super single like the Quatrus R15 gives you one uninterrupted basin, which is what you want for washing large pots, sheet pans and roasting trays without fighting a divider. A double bowl is the better pick only if tenants want to soak on one side and rinse on the other. For turnover units and busy kitchens, the single bowl in corrosion-resistant stainless is the simpler, harder-wearing choice.
7) Will a stainless undermount sink be noisy when the disposal runs or water hits the bottom?
The Quatrus R15 ships with sound dampening pads already applied to the underside of the bowl, so you don't need to add spray-on undercoating. They cut the drumming you get from water hitting a bare stainless basin.
8) Can I standardize on the Blanco Quatrus R15 across a building and match it with Blanco faucets?
Yes. Blanco builds the Quatrus R15 to pair with its own faucets and accessories as a BLANCO UNIT, so sink, faucet and accessories line up as one integrated set. Specify the same part number across units (443148 for the 32 inch, 524221 for the 33 inch) and every cutout and accessory stays interchangeable.
How fast can I get the Blanco 524221 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Blanco 524221 come with a warranty?
Absolutely. The Blanco 524221 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Blanco 524221?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Blanco 524221 from ZenSupply?
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