Kohler Underscore® Rectangle Alcove Bath

Model: K-20201-RA

Dimensions: 60" x 30"

Features

Convenient 19" step-over height, same depth as a standard 21" bath.
Integral lumbar support.
Slotted overflow allows for deep soaking.
Integral apron creates a clean, finished look.
Integral flange helps prevent water from seeping behind wall and simplifies alcove installation.
Textured bottom surface.

Material

Acrylic.

Installation

Right drain.
Requires K-7271 or K-7272 Clearflo slotted overflow bath drain (sold separately).
Alcove installation.

Required Products/Accessories

K-7271 Brass Slotted Overflow Bath Drain
K-7272 PVC Slotted Overflow Bath Drain

ADA

Codes/Standards

CSA B45.5/IAPMO Z124
ASTM E162
ASTM E662
ADA

KOHLER® Plastic Baths and Receptors Lifetime Limited Warranty

See website for detailed warranty information.

Available Colors/Finishes

Color tiles intended for reference only.

Color	Code	Description
	0	White

Technical Information

All product dimensions are nominal.

Installation: Three-wall alcove
Drain location: Right
Basin area, bottom: 46-1/4" x 22" (1175 mm x 559 mm)
Basin area, top: 52" x 24" (1321 mm x 610 mm)
Weight: 100 lbs (45.4 kg)
Minimum floor load: 56 lbs/ft² (273.4 kg/m²)
Water depth: 15-1/2" (394 mm)
Water capacity: 68 gal (257.4 L)
Minimum flat for door: 2-3/4" (70 mm)

Notes

Measure your actual product for rough-in details.
Install this product according to the installation instructions.
The hot water supply should be 70% of the capacity of the bath or greater. Installations will vary.
ADA compliant when installed to the specific requirements of these regulations.

Diagrams

Integral Flange Detail:

A diagram shows the integral flange detail with dimensions: 1-1/4" (32 mm) and 1/4" (6 mm) radius.

Diagram showing the integral flange detail.

Overall Dimensions (Top View):

A diagram shows the top view of the bath with dimensions: 30" (762 mm) width, 60" (1524 mm) length.

Diagram showing the top view of the bath with overall dimensions.

Overall Dimensions (Side View):

A diagram shows the side view of the bath with dimensions: 19" (483 mm) height, 20-1/4" (514 mm) length. It also indicates "Lumbar Angle 15°".

Diagram showing the side view of the bath with height and lumbar angle.

Drain and Overflow Detail (Side View):

A diagram shows the side view with drain and overflow details: 2-1/8" (54 mm) from the top edge to the overflow, 2-5/8" (67 mm) from the top edge to the top of the bath, 1-1/2" Bath Drain, and 1" (25 mm) dimension.

Diagram showing drain and overflow details.

Top View with Dimensions:

A diagram shows the top view with dimensions: 60" (1524 mm) length, 14" (356 mm) to the end of the tub, 9" (229 mm) to the overflow, 2-1/8" (54 mm) to the end of the tub, 2-5/8" (67 mm) to the top edge, and 2-1/8" (54 mm) to the top edge.

Diagram showing top view with various dimensions.

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