Dimensions Guide

1"
Notes
Required Electrical Service
Measure your actual product for rough-in details.
One dedicated circuit required, protected with Class A
Ground-Fault Circuit-Interrupter (GFCI) or Residual Current Device
(RCD).
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.
120 V, 15 A, 60 HzBlower, Amplifier:
Technical Information
All product dimensions are nominal.
Provide one grounded electrical outlet within 24"
(610 mm) of each component.
Drop-in, Under-mountInstallation:
EndDrain location:
Control amplifier fits 16" (406 mm) center studs.
25' (7.6 m) cables are included.
44-1/2" x 22-5/16" (1130 mm x 567 mm)Basin area, bottom:
59-5/8" x 25-1/2" (1514 mm x 648 mm)Basin area, top:
Kit is required for under-mount installations (sold
separately).
121 lbs (54.9 kg)Weight:
Remote blower installation kit K-1446 is available
for relocating the blower. Provide access for
servicing the blower.
56.7 lbs/ft² (276.8 kg/m²)Minimum floor load:
18" (457 mm)Water depth:
85.8 gal (324.8 L)Water capacity:
Do not relocate or alter the PVC tee or coiled
flexible tubing connected to the blower. Follow
the blower relocation instructions exactly.
Drop-in, 64-1/2" x 30-1/2" (1638 mm x
775 mm)
Cutout:
Blower: 120 V, 10 A, 60 Hz
Amplifier: 120 V, 1.1 A, 50/60 Hz
Electrical component
rating:
2 at 15 W per channel
2 at 30 W per channel
Amplifier channels:
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.
10-5-2018 09:07
Underscore
®
Rectangle
5.5' VibrAcoustic
®
BubbleMassage
™
Bath
K-1822-GVB