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32" Extra Large Undermount Stainless Steel Single Bowl Kitchen Sink 32" Extra Large Undermount Stainless Steel Single Bowl Kitchen Sink
KH-3218-9-S-R20 32" Extra Large Undermount Stainless Steel Single Bowl Kitchen Sink
  • Size: 32″ x 18″ x 9-1/8″

Sale price$239.00
32" Extra-Large Zero Radius Undermount Stainless Steel Single Bowl Kitchen Sink 32" Extra-Large Zero Radius Undermount Stainless Steel Single Bowl Kitchen Sink
27" Standard Zero Radius Undermount Stainless Steel Single Bowl Kitchen Sink 27" Standard Zero Radius Undermount Stainless Steel Single Bowl Kitchen Sink
25" Medium Undermount Stainless Steel Single Bowl Kitchen Sink 25" Medium Undermount Stainless Steel Single Bowl Kitchen Sink
KH-2518-9-S-R20 25" Medium Undermount Stainless Steel Single Bowl Kitchen Sink
  • Size: 25" x 18" x 9-1/4"

Sale price$214.00
25" Undermount Stainless Steel Single Bowl ADA-Compliant Kitchen Sink 25" Undermount Stainless Steel Single Bowl ADA-Compliant Kitchen Sink
31" Extra-Large Undermount Stainless Steel Single Bowl Kitchen Sink 31" Extra-Large Undermount Stainless Steel Single Bowl Kitchen Sink
16" ADA-Compliant Undermount Stainless Steel Bar and RV Sink 16" ADA-Compliant Undermount Stainless Steel Bar and RV Sink
ADA-KH-1618-S-R20 16" ADA-Compliant Undermount Stainless Steel Bar and RV Sink
  • Size: 16" x 18" x 5-1/2"

Sale price$229.00
32" ADA-Compliant Undermount Stainless Steel Single Bowl Kitchen Sink 32" ADA-Compliant Undermount Stainless Steel Single Bowl Kitchen Sink
ADA-KSN-3218-S 32" ADA-Compliant Undermount Stainless Steel Single Bowl Kitchen Sink
  • Size: 32-3/8" x 18-3/8" x 5-1/2"

Sale price$254.00
31" Undermount Stainless Steel Single Bowl ADA-Compliant Kitchen Sink 31" Undermount Stainless Steel Single Bowl ADA-Compliant Kitchen Sink
Commercial & Multi-Unit

9-Inch-Deep Kitchen Sinks for Increased Everyday Capacity

Nine-inch-deep kitchen sinks are a conventional deep-bowl option for apartments, hospitality suites, amenity kitchens, and renovation programs that require greater washing and food-preparation capacity. The additional depth accommodates larger cookware and dish loads while helping contain water and materials within the basin.

Before standardizing a model, confirm the interior bowl size, drain position, disposal clearance, trap and rough-in conditions, cabinet storage impact, mounting method, and countertop cutout. Compared with an 8-inch bowl, a 9-inch model provides greater vertical capacity; compared with a 10-inch bowl, it generally preserves more under-sink space.

Allora can compare 9-inch-deep models by interior capacity, drain location, bowl taper, mounting condition, cabinet fit, and disposal or trap clearance. Proposed alternates are reviewed for the differences that could affect washing capacity, storage space, rough-in conditions, or countertop fabrication.

Request Project Pricing Send Allora the 9-inch sink specification or project quantities for dimensional comparison, availability, project pricing, and technical documentation.

Accommodate Larger Kitchen Loads

The deeper bowl can better contain larger cookware, dishes, and preparation tasks than shallower alternatives. Match the interior dimensions to the expected unit or amenity-kitchen use.

Improve Vertical Water Containment

Additional depth may help keep water and materials within the basin during routine use. Bowl width, wall shape, and faucet placement still influence splash conditions and should be reviewed together.

Confirm Disposal and Trap Clearance

A 9-inch bowl extends farther into the cabinet than 7-inch and 8-inch options. Coordinate the drain rough-in, disposal, trap, supply lines, and waste routing before standardizing the sink.

Account for Cabinet Storage Impact

Deeper bowls can reduce usable space below the counter. Review shelves, pull-outs, waste containers, and service access so the sink does not conflict with the planned cabinet package.

Maintain the Approved Deep-Bowl Capacity

A replacement or value-engineered model should preserve the required usable width, length, depth, drain position, and mounting details. Nominal depth alone does not establish equivalent capacity.

Plan Quantities for Main Kitchen Packages

Separate quantities by unit type, sink width, bowl configuration, and project phase. Allora can review project pricing, availability, and documents before purchasing releases the approved models.

Design Files and Resources for Professionals

TECHNICAL SPECIFICATIONS

At Allora USA, we provide a variety of 3D design files and resources tailored to streamline your specification journey. Our tools are designed to ensure that professionals like architects, designers, contractors, and engineers have everything they need to smoothly integrate Allora USA products into their projects.

Frequently Asked Questions

9-inch deep sinks are available across standard widths from 23 to 33 inches. The deeper bowl changes vertical clearance inside the cabinet but not external dimensions — 30-inch sinks fit 33-inch cabinets, 33-inch sinks fit 36-inch cabinets.

9-inch is the upgrade depth — specified when unit positioning calls for added basin capacity (premium multifamily, hospitality residences, custom residential) without committing to a larger cabinet footprint. 8-inch is the standard-depth default for standard apartment kitchens; 9-inch differentiates premium units within the same cabinet.

Not in most cases. P-trap and waste line locations stay standard. The deeper bowl reduces vertical clearance inside the cabinet by about an inch — disposal-equipped installations should verify disposal height fits below the deeper drain.

Standard 9-inch deep sinks do not meet ADA knee clearance requirements. For accessible units, Allora offers shallow-depth ADA sinks in the same product families as 9-inch deep sinks — matched finish and external dimensions across deep-basin standard units and ADA accessible units.

Spec sheets, cutout templates, BIM files, and DXF files are available for every SKU. Trade accounts request the full documentation package through their Allora Advantage rep before finalizing the fixture schedule.

Stock orders ship same-day when placed before noon EST. Phased project orders are scheduled during spec stage — Allora Advantage members coordinate delivery timing, volume pricing tiers, and hold-back inventory across construction phases.

One partner for every phase — from first specification through final delivery.

Same day quotes, in-stock inventory, and dedicated reps keep your project moving on schedule.

Same-Day Quotes

Submit before 2 PM EST and get pricing back the same day to keep projects on schedule.

Project-Volume Pricing

Volume savings with flexible mix-and-match across sinks, faucets and showers.

Project-Ready Inventory

Spec the entire job from one catalog — deep stock across sinks, faucets and showers, ready to order at volume.

Project-Matched Warranty

Warranty coverage matched to your project type, so every build is protected on the right terms.

Reliable Lead Times

Fast shipping with clear arrival dates, so orders land on site when the crew needs them.

Dedicated Account Reps

One expert contact from product selection through installation support.

No minimum order to request pricing Net terms available for qualified accounts

Request Project Pricing

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WHAT OUR CUSTOMERS ARE RAVING ABOUT

Allora USA has been a game-changer for our fabrication business. Their high-quality sinks and faucets always impress our clients, and their reliable customer service ensures timely shipments, helping us avoid delays. We highly recommend them.

Luicano - CEO, National Fabricator