Page 1
Rite-Temp
Features
•
Project Pack: Supplied 6 per case.
•
Includes valve body, thermostatic cartridge, rough-in guide
and mud guard.
•
1/2" Universal NPT and direct sweat inlets and outlets.
•
9 gpm (34 l/min) maximum flow rate at 45 psi.
•
Single lever design cycles from off through cold to hot.
•
One-piece cartridge design simplifies installation and
maintenance.
•
Adjustable high-temperature limit stop to control maximum
water temperature.
•
Requires valve trim to complete installation (sold separately).
Material
•
Forged dezincification-resistant brass body provides long
term reliability and resistance to aggressive water conditions.
Technology
•
Thermostatic technology automatically maintains outlet
temperature within +/- 3.6°F (+/- 2°C) during water pressure
fluctuations.
Installation
•
Designed for use in standard, back-to-back and thin wall
installations.
•
Valve body features integral mounting locations and
symmetrical valve inlets to simplify installation.
•
Cartridge is reversible for installations where hot and cold
supplies are reversed.
•
Rough-in guide designed for both standard and thin wall
installations.
•
Installed valve rough-in can be flushed and pressure-tested
to 150 psi max (air or water) without cartridge by using
included test cap.
Optional Products/Accessories
K-10350 Deep Rough-In Kit For K-8305 Cartridges
K-10351 Test cap for K-8300 Series valve bodies
Codes/Standards
ASME A112.18.1/CSA B125.1
ASSE 1016/ASME A112.1016/CSA B125.16
KOHLER® Faucet Lifetime Limited
Warranty
See website for detailed warranty information.
®
Thermostatic valve kit, project pack
K-P28304-K
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.
9-14-2021 04:44 - US/CA
Page 2
Rite-Temp
Outlet Port
1/2 NPT and 5/8" ID
for 1/2" Nominal
Copper Tubing
Inlet Port
1/2 NPT and 5/8" ID
for 1/2" Nominal
Copper Tubing
Min Finished Wall
Max Finished Wall
1-15/16"
(49 mm)
1-15/16"
(49 mm)
2-3/4"
(70 mm)
3-1/2"
(89 mm)
Outlet Port
9/16"
(14 mm)
2-3/16"
(56 mm)
2-15/16"
(75 mm)
Cutout for finished walls
less than 3/4" (19 mm)
Cutout for finished walls
greater than 3/4" (19 mm)
Ø 5" (127 mm)
7/8" (22 mm)
Ø 4-1/2" (114 mm)
Ø 4" (102 mm)
Cut Line
Cut Line
4-3/4" (121 mm)
Technical Information
All product dimensions are nominal.
Shower Valve:
Flow Rate (Max) @ 45 psi 9 gal/min (34.1 l/min)
Manufacturer's minimum rated flow: 1.5 gal/min (5.7 l/min)
Pressure: 45 psi (3.1 bar)
Maximum (Static) Pressure: 125 psi (8.6 bar)
Minimum (Operating) Pressure: 20 psi (1.4 bar)
Valve body: Machined-brass
Notes
Install this product according to the installation
instructions.
For use with showerheads or handsprays rated
at 1.5 gal/min (5.7 l/min) or higher.
Avoid cross-flow conditions. Do not install
shutoff device on either valve outlet.
Cap the shower outlet if deck-mount spout,
diverter, or handshower is connected to the
spout outlet.
®
Thermostatic valve kit, project pack
K-P28304-K
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.
9-14-2021 04:44 - US/CA
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