KOHLER Rite-Temp® Thermostatic Valve Body and Cartridge
Model: K-28304-KSL
Features
- Includes valve body, thermostatic cartridge, rough-in guide, and mud guard.
- 1/2" Universal NPT and direct sweat inlets and outlets with stops (uninstalled kit).
- Service stops include integral check valves.
- 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 the included test cap.
Diagram and Dimensions
The Rite-Temp® K-28304-KSL thermostatic valve body and cartridge is depicted with key dimensions and installation requirements. The valve body features inlet ports designed for 1/2" NPT and 5/8" ID for 1/2" Nominal Copper Tubing. Outlet ports are positioned for mixed water supply. Key dimensions include an overall width of approximately 5-7/8" (149 mm) and a depth of approximately 3-1/2" (89 mm). The diagram specifies wall cutout dimensions: for finished walls less than 3/4" (19 mm) thick, a Ø 4-1/2" (114 mm) cutout is needed; for walls greater than 3/4" (19 mm) thick, a Ø 5" (127 mm) cutout is recommended. Vertical spacing between ports is 1-15/16" (49 mm).
Technical Information
All product dimensions are nominal.
Shower Valve Specifications:
Specification | Value |
---|---|
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) |
Codes/Standards
- ASME A112.18.1/CSA B125.1
- ASSE 1016/ASME A112.1016/CSA B125.16
- IAPMO Certification
Warranty
KOHLER® Faucet Lifetime Limited Warranty. See website for detailed warranty information.
Optional Products/Accessories
- K-10350 Deep rough-in kit
- K-10351 Test cap for K-8300 Series valve bodies
Included Components
- K-10351 Test cap for K-8300 Series valve bodies