Kohler Underscore® 60" x 30" Drop-In Bath

Features

• Integral lumbar support
• Slotted overflow allows for deep soaking

Material

• Acrylic

Installation

• Requires K-7271 or K-7272 Clearflo slotted overflow bath drain (sold separately)
• Drop-in or undermount

Required Products/Accessories

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

Recommended Products/Accessories

• K-531 Under-Mount Installation Kit
• K-1491 Bath/Whirlpool Pillow
• K-1601 Bath/whirlpool footstop, removable
• K-24916 Wireless Music Kit
• K-702200-G73 Frameless Sliding Bath Door
• K-702200-L Frameless Sliding Bath Door
• K-706000-D3 Frameless Sliding Bath Door
• K-706000-L 62" H sliding bath door with 1/4" - thick glass
• K-706003-L Frameless Sliding Bath Door
• K-706004-D3 Frameless Sliding Bath Door
• K-706004-L Frameless Sliding Bath Door
• K-706007-L Frameless Sliding Bath Door
• K-1177 Vinyl Tiling-in Bead
• K-23726 Drain treatment
• K-23732 Tub & shower cleaner
• K-702200-6G54 Frameless sliding bath door
• K-702200-6L 58" H sliding bath door with 1/4" - thick glass
• K-31797 Slotted overflow bath drain kit
• K-31795 Slotted overflow above-the-floor bath drain kit

Diagram Description

The bath is a rectangular drop-in tub, measuring 60 inches (1524 mm) in length and 30 inches (762 mm) in width. The overall height is 15 inches (381 mm). The interior features integral lumbar support for comfort, with a 40-degree angle, and a slotted overflow positioned towards the top of the tub for deep soaking. The drain is centrally located on the bottom. The side profile shows a slight slope for the lumbar support and a 1-inch (25 mm) lip at the top. The diagram also indicates a 1-1/2" OD drain connection.

Codes/Standards

• CSA B45.5/IAPMO Z124
• ASTM E162
• ASTM E662
• ADA
• ICC/ANSI A117.1

Warranty

KOHLER® Plastic Baths and Shower Bases Lifetime Limited Warranty. See website for detailed warranty information.

Available Colors/Finishes

Color tiles intended for reference only.

Technical Information

All product dimensions are nominal.

Installation:

Drop-in

Drain location:

Reversible

Basin area, bottom:

42-3/8" x 20" (1076 mm x 508 mm)

Basin area, top:

54-3/8" x 24-5/16" (1381 mm x 618 mm)

Weight:

71 lbs (32.2 kg)

Minimum floor load:

50 lbs/ft² (244.1 kg/m²)

Water depth:

15-1/16" (383 mm)

Water capacity:

59.8 gal (226.4 L)

Cutout:

Drop-in, 59-1/2" x 28-1/2" (1511 mm x 724 mm)

Minimum flat for door:

1-15/16" (50 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.
• Kit is required for under-mount installations (sold separately).
• ADA compliant when installed to the specific requirements of these regulations.

Contact Information

For support, call 1-800-4KOHLER (1-800-456-4537).

Kohler Co. reserves the right to make revisions without notice to product specifications. For the most current Specification Sheet, go to www.kohler.com.

Document last updated: 1-21-2023

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