Blanco PRECISION™ R0 515821 33″ 1‑3/4 Double‑Bowl Undermount Kitchen Sink
Elevate your kitchen workflow with the Blanco PRECISION™ R0 515821 33″ 1‑3/4 Double‑Bowl Undermount Kitchen Sink, combining premium stainless steel durability with thoughtful, functional design. The unique 1‑3/4 bowl configuration features a larger left bowl and a slightly smaller right bowl, enabling multitasking — soak in one bowl while prepping or rinsing in the other.
Crafted from 18‑gauge 304‑series stainless steel with a satin polished finish, this undermount sink resists corrosion, rust, and everyday wear. Zero‑radius corners, X‑pattern drain grooves, and pre-installed sound-dampening insulation enhance functionality while keeping noise low. Backed by Blanco’s limited lifetime warranty, it’s a reliable choice for modern kitchens.
Key Features
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Premium Stainless Steel Construction — 18‑gauge 304‑series stainless steel with 18/10 chrome-nickel content resists corrosion, rust, and stains
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1‑3/4 Double‑Bowl Design — Left bowl: 17″ × 16″ × 10″; Right bowl: 13″ × 16″ × 10″; ideal for multitasking in the kitchen
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Undermount Installation — Seamless countertop integration for a clean, built-in look and easy maintenance
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Zero‑Radius Corners & Drain Grooves — Maximizes usable space; X-pattern grooves channel water efficiently to drains
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Sound-Dampening Insulation — Pre-installed pads reduce noise from water flow and garbage disposals
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Accessory Compatible — Works with optional grids, colanders, cutting boards, and basket strainers (sold separately)
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Limited Lifetime Warranty — Residential coverage backed by Blanco for peace of mind
Specifications
| Specification | Details |
|---|---|
| Brand | Blanco |
| Model / SKU | 515821 |
| Collection | PRECISION™ R0 |
| Material | 18‑gauge 304‑series stainless steel |
| Finish | Satin polished |
| Installation Type | Undermount |
| Number of Bowls | 2 (1‑3/4 double bowl) |
| Overall Dimensions | 33″ W × 18″ D × 10″ H |
| Left Bowl Interior | 17″ L × 16″ W × 10″ D |
| Right Bowl Interior | 13″ L × 16″ W × 10″ D |
| Drain Opening | 3‑1/2″ (strainer not included) |
| Minimum Cabinet Size | 36″ |
| Sound Dampening | Yes (pre-installed) |
| Faucet Holes | 0 (sold separately) |
| Warranty | Limited lifetime (residential) |
Perfect For
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Everyday kitchen use — spacious double bowls handle dishes, bakeware, and cookware with ease
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Multitasking cleanup — simultaneously wash and prep in separate bowls
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Modern and transitional designs — sleek undermount look complements granite, quartz, and solid surface counters
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Busy households — durable construction with quiet operation fits daily cooking routines
Why Choose the Blanco PRECISION™ R0 515821 Sink?
With German-engineered craftsmanship, premium stainless steel, and a functional 1‑3/4 double-bowl design, this sink delivers both durability and refined kitchen style. It’s a versatile choice for homeowners seeking efficient multitasking, long-lasting performance, and elegant design in their kitchen workspace.