
KOHLER K-20201-RA Underscore 60" x 30" alcove bath, right drain
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The Kohler Underscore K-20201-RA is a 60-inch acrylic alcove bathtub with a right-hand drain. It stands out with a low 19-inch step-over height that meets ADA guidelines while keeping the same soaking depth as a standard 21-inch tub. The slotted overflow allows for a deeper soak, and the integral lumbar support and textured bottom add comfort and safety. It suits homeowners seeking an accessible, modern tub with a clean integrated apron and flange for easy installation. Compared to other alcove tubs, it offers a blend of accessibility and deep soaking, though some may prefer a wider tub or a different drain orientation.
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Owners appreciate the comfortable design and easier access, but some mention that the acrylic can flex and the drain orientation limits installation options.
The KOHLER Underscore is a 60" x 30" alcove bath with a simple, crisp design and a right-hand drain. It is made of acrylic and is ADA compliant. It is suitable for residential use.
A slotted overflow drain allows for deep soaking, and a sloped backrest with integral lumbar support gives a place to lean back. The step-over height is 19", which keeps the same depth as a standard 21" bath. The bottom surface is textured.
An integral apron creates a clean, finished look. An integral flange helps prevent water from seeping behind the wall and simplifies alcove installation.












