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The Karran Edge E-425 is an 18-gauge stainless steel undermount kitchen sink designed for single-bowl installations where ADA compliance is a project requirement, whether in accessible residential kitchens, commercial prep areas, or institutional settings.
ADA sink requirements center on knee and toe clearance below the counter and a controlled basin depth that allows a seated user to reach the bottom of the bowl without strain. The E-425 is sized for those constraints. The 24-inch overall length and 9-inch interior depth hit the working envelope that accessible sink design calls for, and the single bowl keeps the full interior open rather than splitting it with a divider. For a remodeler or designer working to meet accessible kitchen standards, the E-425 removes the guesswork about whether the sink will pass the spec.
The sink is built from 18-gauge stainless steel, a practical material choice for a working kitchen sink. Stainless handles the thermal cycling that comes with hot water, ice, and rapid rinse use, and it does not require the countertop-compatibility planning that quartz composite or fireclay sinks carry. The undermount profile means the counter surface runs cleanly to the bowl edge with no rim to trap residue, which matters in food-service, healthcare, and other environments where surface hygiene is a real consideration.
This is the right sink when ADA compliance is a stated requirement and space is tight. It suits an accessible residential kitchen remodel, a break room with an accessibility mandate, a commercial prep station sized to a 24-inch cabinet run, or any installation where a smaller footprint and code-compliant depth both have to be satisfied at the same time. Because it is undermount only, it requires a countertop material that supports undermounting, such as quartz, granite, or solid surface, and it should be specified into a new countertop rather than dropped into an existing cutout.
The sink is designed to support ADA-compliant installations, but full ADA compliance also depends on the cabinet configuration, countertop height, knee clearance, and plumbing layout. Confirm the full installation assembly against the applicable ADA standards for your project.
Undermount sinks require a countertop material that can be fabricated and bonded for undermounting. Quartz, granite, and solid surface are the common choices. Laminate and tile countertops generally do not support undermount installations reliably.
The overall sink length is 24 inches side to side, so the cabinet base needs to accommodate that footprint plus the required clearance for the undermount clips and countertop overhang. Check the full cutout dimensions against your cabinet and countertop plan before ordering.
Undermount sinks are best installed during countertop fabrication so the cutout and bonding are done together. Installing into an existing countertop that already has a sink cutout is possible in some cases but depends on whether the existing cutout matches the new sink's dimensions exactly. A countertop fabricator can advise for your specific situation.
For projects where ADA compliance and a compact 24-inch footprint both have to be on the spec sheet, the Karran Edge E-425 covers both without asking you to compromise on basin size or countertop continuity.
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