Dimensions Guide

21"
Notes
Required Electrical Service
Measure your actual product for rough-in details.
One dedicated circuit required.
Install this product according to the installation
instructions.
240 V, 15 A, 50/60 HzBlower, Heated
Surface:
The hot water supply should be 70% of the
capacity of the bath or greater. Installations will
vary.
Technical Information
All product dimensions are nominal.
Drop-in, Under-mountInstallation:
Kit is required for under-mount installations (sold
separately).
EndDrain location:
44-1/2" x 26-1/2" (1130 mm x 673 mm)Basin area, bottom:
If relocating the blower motor, do not relocate or
alter the PVC tee or coiled flexible tubing
60-1/4" x 30-1/4" (1530 mm x 768 mm)Basin area, top:
connected to the blower. Follow the blower
111 lbs (50.3 kg)Weight:
relocation instructions exactly. Provide access
for servicing the blower.
60 lbs/ft² (292.9 kg/m²)Minimum floor load:
17-3/4" (451 mm)Water depth:
102 gal (386.1 L)Water capacity:
Drop-in, 65" x 35" (1651 mm x 889 mm)Cutout:
Blower: 240 V, 5 A, 50/60 Hz
Heated Surface: 240 V, 0.5 A, 50/60 Hz,
65 W
Electrical component
rating:
VariableBlower speed:
2-7/16" (61 mm)Minimum flat for door:
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.
9-28-2018 08:46
Underscore
®
Rectangle
5.5' BubbleMassage
™
Bath
K-1173-GCW