Specification Sheet

3-1/2"
(89 mm)
20-1/16"
(510 mm)
36" (914 mm)
23-1/4"
(591 mm)
1"
(25 mm)
36-1/16" (916 mm)
3/4"
(19 mm)
72-3/16" (1834 mm)
Blower Motor Access
20" (508 mm) W x 15" (381 mm) H Min
Lumbar
Angle 33°
18"
(457 mm)
2-7/16"
(62 mm)
1-1/2" Bath Drain
No change in measurements if connected
with drain illustrated. (K-7272)
Drop-in Rim
Detail
1"
(25 mm)
3-1/8"
(79 mm)
Notes
Required Electrical Service
Measure your actual product for rough-in details.
Two dedicated circuits required, protected with Class A
Ground-Fault Circuit-Interrupter (GFCI). Outside North America,
this device may be known as a 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:
120 V, 15 A, 60 HzAir bath:
Technical Information
All product dimensions are nominal.
Drop-in, UndermountInstallation:
CenterDrain location:
45-3/4" x 25-15/16" (1162 mm x 659 mm)Basin area, bottom:
65-3/8" x 29-5/16" (1661 mm x 745 mm)Basin area, top:
107 lbs (48.5 kg)Weight:
60 lbs/ft² (292.9 kg/m²)Minimum floor load:
19-7/16" (494 mm)Water depth:
112.9 gal (427.4 L)Water capacity:
Drop-in, 71-1/2" x 35-1/2" (1816 mm x
902 mm)
Cutout:
Blower: 120 V, 10 A, 60 Hz
Air bath: 120 V, 5 A, 60 Hz
Electrical component
rating:
VariableBlower speed:
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.
1-25-2020 05:44 - US/CA
Underscore
®
Rectangle
72" x 36" Heated BubbleMassage
™
air bath, center drain
K-1835-GH