Page 1
MASTERSHOWER
®
Features
Forged brass valve body
•
Single-handle temperature control
•
High-temperature limit setting for added safety
•
Temperature-balancing mechanism
•
Scald hazard prevention
•
Integral stops
•
Crossflow prevention
•
1/2″ NPT connections
•
Filter screens
•
Single outlet
•
Less volume control
•
Codes/Standards Applicable
Specified model meets or exceeds the following:
ASSE 1016
•
ASME A112.18.1/CSA B125.1
•
Specified Model
1/2″ THERMOSTATIC MIXER
Colors/Finishes
NA: None applicable
•
Accessories
NA: None applicable
•
K-2972-KS
Model Description Colors/Finishes
K-2972-KS 1/2″ thermostatic mixer - less volume control ❑ NA
Required Accessories
K-2974-K 1/2″ volume control valve - for use on bath and shower outlets ❑ NA
Optional Accessories
K-9663 Twin ell - for use with diverter bath spouts only ❑ NA
Product Specification
The thermostatic mixer less volume control shall have a forged brass valve body. Product shall feature single-handle
temperature control, high-temperature limit stop for added safety, and temperature-balancing mechanism. Product shall feature
integral stops, crossflow prevention, filter screens, and scald hazard prevention. Product shall have 1/2″ NPT connections. The
thermostatic mixer shall be Kohler Model K-2972-KS-NA and the required volume control valve shall be K-2974-K-NA.
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1145571-4-
USA/Canada: 1-800-4KOHLER
C
(1-800-456-4537)
www.kohler.com
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MASTERSHOWER
®
Installation Notes
Install this product according to the installation guide.
The K-2972-KS thermostatic mixer valve requires a separate
volume control valve, K-2974-K, for each bath and/or shower
outlet.
For bath-only installations, valve may be installed upside
down.
For installations with a diverter spout, a twin ell, K-9663, is
required between the valve and the spout. It is acceptable for
the supply to the K-9663 twin ell to run from the top port
through the volume control valve.
1/2" NPT
Shower Outlet
1/2" NPT
Hot Inlet
2-1/16"
(52 mm)
1-7/16"
(37 mm)
1-1/8"
(29 mm)
4-5/8" (117 mm)
2-5/16"
(59 mm)
2-1/16" (52 mm)
Stop
3-7/8"
(98 mm)
1/2"
(13 mm)
1/2" NPT
Cold Inlet
1-3/16"
(30 mm)
3-3/4" (95 mm)
2-7/16"
(62 mm)
3-1/2" (89 mm)
4-5/8" (117 mm)
Max
Finished
Wall
Min
Finished
Wall
Product Diagram
MASTERSHOWER®1/2″ THERMOSTATIC MIXER
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1145571-4-
C
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