Specification Sheet
1"
(25 mm)
Drop-in Rim
Detail
No change in measurements if connected
with drain illustrated. (K-7272)
1-1/2" Bath Drain
2-7/16"
(62 mm)
21"
(533 mm)
Lumbar
Angle 33°
Blower Motor Access
20" (508 mm) W x 15" (381 mm) H Min
72" (1829 mm)
36" (914 mm)
1"
(25 mm)
23"
(584 mm)
42" (1067 mm)
20-1/16"
(510 mm)
3-1/2"
(89 mm)
1/2"
(13 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 HzPump:
120 V, 12 A, 60 HzHeater:
Technical Information
All product dimensions are nominal.
Drop-inInstallation:
CenterDrain location:
45-3/4" x 32" (1162 mm x 813 mm)Basin area, bottom:
66" x 36" (1676 mm x 914 mm)Basin area, top:
130 lbs (59 kg)Weight:
63 lbs/ft² (307.6 kg/m²)Minimum floor load:
19" (483 mm)Water depth:
100.4 gal (380.1 L)Water capacity:
Drop-in, 70-1/2" x 40-1/2" (1791 mm x
1029 mm)
Cutout:
Pump: 120 V, 7 A, 60 Hz
Heater: 120 V, 12 A, 60 Hz
Electrical component
rating:
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.
7-21-2020 18:17 - US/CA
Underscore
®
Rectangle
72" x 42" heated whirlpool bath with center drain
K-1174-JH