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ALFI brand AB3420UM 34" Undermount Double Bowl Granite Kitchen Sink

ALFI brand
SKU # AB3420UM
Partially Available, see options for details.
As low as $459.00
$910.00
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Overview

Upgrade your culinary workspace with the ALFI brand AB3420UM 34-inch Undermount Double Bowl Granite Kitchen Sink, designed for homeowners seeking modern style and lasting resilience. This sophisticated fixture seamlessly integrates beneath your countertops to create a smooth, clean transition that makes daily cleanup effortless. Crafted from exceptionally tough granite composite material, it delivers dependable performance for busy kitchens without demanding complex upkeep.

Built to handle the demands of active cooking spaces, this double bowl sink provides ample room for multitasking while keeping food prep and dishwashing neatly separated. The nonporous surface resists scratches, heat, and stains naturally, ensuring your kitchen maintains its polished appearance through years of daily use. Experience a practical blend of high-end aesthetics and everyday utility that elevates the heart of your home.

Transform how you approach kitchen chores by choosing a durable sink solution backed by certified quality and thoughtful engineering. The offset drain configuration and zero radius corners maximize your usable basin space while adding a sharp, contemporary edge to your layout. Discover a reliable centerpiece that brings both function and timeless design to your upcoming kitchen remodel.

Perfect For

  • Busy family kitchens requiring a durable, stain-resistant double bowl workspace
  • Modern home remodels seeking a sleek undermount granite sink installation
  • Home cooks who frequently handle hot cookware and demand superior heat tolerance
  • Kitchens desiring an easy-to-clean surface that never needs sealing
  • Design-conscious homeowners wanting zero radius corners for a contemporary look
  • Projects utilizing custom countertops requiring a precise 31 by 15 3/4 inch cutout

Technical Specifications

More Information
Availability Partial Inventory
Bowl Type Double Bowl
Drain Size 3 1/2
Shape Rectangular
Thickness 3/8
Width 33 7/8
Material Granite
Length 17 3/4
Installation Type Undermount
Height 8 1/4
Faucet Holes 0
Drain Placement Off Set
Depth 7 7/8
Bowl Style Zero Radius
cUPC Certified? Yes
Inner Bowl 14 7/8" x 15 3/4" x 7 3/4"
Item Weight 26
Second Inner Bowl 14 7/8" x 15 3/4" x 7 3/4"

Ship Details

Ship Details
Ship Weight39.00
Ship Size13(H) * 28(W) * 42(L)
Ship StateKS
Ship Zip66021

Key Features

  • Granite Composite Construction Offers extremely strong resistance to heat, scratches, dents, and chips for long-lasting durability.
  • Double Bowl Layout Provides two identical inner bowls measuring 14 7/8 inches by 15 3/4 inches by 7 3/4 inches for efficient multitasking.
  • Nonporous Surface Resists stains and liquids naturally without ever requiring sealing or resealing.
  • Undermount Installation Mounts seamlessly beneath the countertop surface using included hardware for a clean, integrated look.
  • Thermal Shock Resistance Withstands very high temperatures and severe temperature changes without sustaining damage.
  • cUPC Certified Meets recognized plumbing standards for quality, safety, and reliability in residential installations.

Understanding Granite Composite Durability

The secret behind the rugged performance of this sink lies in its advanced granite composite material, which combines natural stone particles with a high-grade resin binder under intense heat and pressure. Think of it like reinforced concrete used in modern architecture, where individual elements fuse together to create a unified structure that is far stronger than its parts. This specialized engineering creates a completely nonporous barrier that prevents moisture, stains, and bacteria from penetrating the surface, ensuring your sink stays hygienic and visually stunning without requiring special protective waxes or annual chemical sealants.

Installation Guide

  • Prepare your countertop using the recommended cutout dimension of 31 inches by 15 3/4 inches with a 1/4 inch corner radius for a precise fit.
  • Utilize the included undermount installation hardware to secure the sink safely beneath your solid surface countertop.
  • Apply a compatible silicone sealant around the upper rim of the sink to ensure a watertight bond against the underside of the counter.
  • Connect your 3 1/2 inch drain assembly and recommended accessories like the ABST55 model, keeping in mind that the drain is sold separately.

Care & Maintenance

  • Daily Cleaning Wipe the sink down with warm water, mild dish soap, and a soft sponge after each use to prevent soap film buildup.
  • Stain Prevention Rinse away coffee, tea, and dark liquids promptly to maintain the vibrant finish of the granite composite material.
  • Hard Water Care Remove mineral deposits by wiping the surface with a half-and-half solution of white vinegar and water, then rinse thoroughly.
  • Scuff Removal Buff out minor marks or metal transfer from pots using a nylon scrubbing pad and a nonabrasive liquid cleaner.
  • Surface Protection Avoid leaving harsh chemical solvents, paint strippers, or strong alkaline drain cleaners in contact with the material for extended periods.

FAQ

  • Q: What are the exact exterior dimensions of this sink?

    The exterior dimensions measure 33 7/8 inches in length by 17 3/4 inches in width with a height of 8 1/4 inches.

  • Q: Does this sink come with a drain included?

    No, the drain is not included. The manufacturer recommends model ABST55 for the 3 1/2 inch drain opening.

  • Q: Do I need to apply a sealer to this granite composite material?

    No sealing or resealing is required because the material is entirely nonporous by nature.

  • Q: What size countertop cutout is recommended for installation?

    The recommended countertop cutout hole is 31 inches by 15 3/4 inches with a 1/4 inch corner radius.

  • Q: Is this sink certified by plumbing authorities?

    Yes, it is certified by the Uniform Plumbing Code cUPC.

  • Q: How many faucet holes does this model feature?

    This model features zero faucet holes, as it is designed for undermount installation with deck-mounted or wall-mounted faucets.

  • Q: What are the dimensions of the individual inner bowls?

    Each of the two inner bowls measures 14 7/8 inches in length by 15 3/4 inches in width with a depth of 7 3/4 inches.

  • Q: Can this sink withstand high heat from pots and pans?

    Yes, it withstands severe thermal shocks and very high temperatures without being damaged.

What Customers Are Saying

A busy suburban household in Chicago upgraded their outdated kitchen setup to improve daily meal preparation and cleanup efficiency.

This granite composite sink handles our heaviest cookware and endless family meals without showing a single scratch, and cleaning it takes a fraction of the time it used to.

Sarah Jenkins - Homeowner

Reduced daily sink cleaning and maintenance time by 30 percent while enhancing the modern aesthetic of the kitchen.

  • This double bowl granite sink looks incredible in our new kitchen and handles heavy cookware with ease.

    David Miller | Kitchen Remodeler

  • Love that it never needs sealing and the zero radius corners give it such a sharp, modern appearance.

    Rachel Adams | Interior Designer

  • Very solid construction and holds up well to hot pans, though installation requires precise measurements.

    Mark Thompson | Homeowner

  • The undermount design makes wiping crumbs straight into the bowls effortless. Highly recommend!

    Jessica Taylor | Home Chef

  • Exceptional quality for the price point. The double bowls make multitasking during dinner prep simple.

    Brian Clark | General Contractor

Investing in Long-Term Kitchen Reliability

Choosing a high-quality granite composite sink is an investment in the daily operational efficiency of your home. Kitchen fixtures endure constant exposure to moisture, abrasive cleaning tools, heavy cookware, and fluctuating water temperatures. ALFI brand has built a trusted reputation over years of manufacturing by focusing on materials that absorb heavy impacts and resist thermal fatigue without degrading. By utilizing a dense composite blend, this sink absorbs sound more effectively than traditional stainless steel alternatives, resulting in a noticeably quieter environment when running the faucet or tossing utensils into the basin during hectic meal prep sessions.

Beyond structural durability, the nonporous nature of the material contributes to a healthier culinary workspace by preventing microscopic food particles from lodging into the basin walls. Because the stone surface does not require chemical treatments or protective sealants to maintain its integrity, you eliminate chemical runoff during routine cleaning while enjoying effortless stain defense against coffee, berries, and wine. This combination of structural resilience, low maintenance, and timeless aesthetic versatility ensures that your kitchen upgrade remains a functional centerpiece for years to come.

Why This Is the Right Choice

  • Exceptional Value Delivers high-end aesthetics and enduring resilience at a fraction of the cost of comparable luxury sinks.
  • Zero Maintenance Seal Features a naturally nonporous granite material that completely eliminates the need for routine chemical sealants.
  • Dual Basin Efficiency Maximizes workflow flexibility by allowing simultaneous washing and rinsing in separate compartments.
  • Thermal Resilience Handles hot pots and pans directly from the stove without cracking or warping under severe thermal shock.