Kohler Underscore Cube User manual
Underscore®Cube
48" x 48" Heated BubbleMassage™air bath w/ whirlpool
K-1969-XHGH
Features
•122 airjets release thousands of heated bubbles that
surround, support, and massage the body.
•Variable-speed blower lets you adjust massage intensity to
18 levels.
•Eight Flexjet®hydromassage jets can be individually adjusted
for water flow and direction.
•Variable-speed pump for adjusting hydromassage intensity.
•Built-in heater.
•Automatic and manual purge cycles remove residual water
from air channels after use.
•60-minute automatic shutoff timer.
•Extra-deep square shape offers fully-immersed soaking
experience with a compact footprint.
•Spacious design accommodates up to two bathers.
•Two integral corner seats.
•Integral lumbar support.
•Keypad control.
•Textured bottom surface.
Material
•Acrylic.
Technology
•Heated BubbleMassage™technology warms and humidifies
air before it enters the bath.
Installation
•Drop-in or undermount.
•Center drain.
•120 V electrical requirement allows for easy installation with
standard outlet.
•Requires three dedicated circuits.
Required Products/Accessories
K-7271 Brass Slotted Overflow Bath Drain
K-9698 Flexjet®Whirlpool Trim Kit
or
K-7272 PVC Slotted Overflow Bath Drain
K-9698 Flexjet®Whirlpool Trim Kit
Recommended Products/Accessories
K-1491 Bath/Whirlpool Pillow
K-1601 Bath/whirlpool footstop, removable
K-9497 2-1/2" Keypad Trim
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 Frameless Sliding Bath Door
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-702200-6L Frameless sliding bath door
Codes/Standards
ASME A112.19.7/CSA B45.10
CSA B45.5/IAPMO Z124
ASTM E162
ASTM E662
UL 1795
CSA C22.2 No. 218.2
KOHLER®Hydrotherapy
Components Five-Year Limited
Warranty
See website for detailed warranty information.
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.
12-1-2021 04:35 - US/CA
Underscore®Cube
48" x 48" Heated BubbleMassage™air bath w/ whirlpool
K-1969-XHGH
24"
(610 mm) 1"
(25 mm)
No change in measurements if connected
with drain illustrated. (K-8150)
Drop-in Rim
Detail
Lumbar
Angle 5°
Blower Motor/Control Access
34" (864 mm) W x 15" (381 mm) H
24" (610 mm)
1"
(25 mm)
34"
(864 mm)
3"
(76 mm) 48" (1219 mm)
29"
(737 mm)
3-1/8"
(79 mm)
2-15/16"
(75 mm)
1-1/2" Bath Drain
7-7/8"
(200 mm) 1-1/2"
(38 mm)
Required Electrical Service
Three 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).
Blower: 120 V, 15 A, 60 Hz
Air bath, Pump: 120 V, 15 A, 60 Hz
Heater: 120 V, 15 A, 60 Hz
Technical Information
All product dimensions are nominal.
Installation: Drop-in, Undermount
Drain location: Center
Basin area, bottom: 39-3/8" x 39-3/8" (1000 mm x 1000 mm)
Basin area, top: 44-5/8" x 44-5/8" (1133 mm x 1133 mm)
Weight: 218 lbs (98.9 kg)
Minimum floor load: 102.3 lbs/ft²(499.5 kg/m²)
Water depth: 27-1/2" (699 mm)
Water capacity: 171 gal (647.3 L)
Template: K-578, not required, not included
Electrical component
rating:
Blower: 120 V, 10 A, 60 Hz
Air bath: 120 V, 5 A, 60 Hz
Pump: 120 V, 7 A, 60 Hz
Heater: 120 V, 12 A, 60 Hz
Blower speed: Variable
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.
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.
12-1-2021 04:35 - US/CA
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