Kohler K-2973-KS-NA MasterShower 1/2 Inch Thermostatic Valve with integrated Volume Control

- Item #: BCI1817185

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MasterShower® thermostatic valve with integrated volume control and stops

KOHLER® Performance Showering features an array of innovative technologies and design options that take showering beyond the ordinary to customized environments that delight the senses. This 1/2" MasterShower® thermostatic valve with integral volume control and stops, with its high-temperature limit stop for added safety, delivers a high flow rate and precise, consistent temperature control. The stacked valve allows separate control of water temperature and flow.

  • 1/2" inlet
  • Thermostatic valve allows bather to set and maintain precise temperature
  • Factory-calibrated comfort setting at 104 degrees Fahrenheit
  • High temperature safety stop ensures that water temperature does not exceed 120 degrees Fahrenheit
  • *Note Replaces the K-680-KS
  • Note: Kohler part# K-9663 required if using diverter tub spout.

Improvements to the K-2973-KS over the K-680-KS are:

  • High temperature stop calibration no longer requires nut removal
  • Hanging tabs allow valves to be mounted to a board during installation
  • Reduced width leaves more room to locate valve and plumbing between studs
  • 90 degree service stops allow for faster, easier shut-off
  • Forged brass body eliminates porosity and potential leak paths

Additional Kohler Links

Our SKU: Kohler K-2973-KS

This product is listed under the following manufacturer number(s):

*Denotes a finish or option that has been discontinued

Kohler K-2973-KS-NA Product Specifications

Rough-In Guide
Specification Sheet
Installation Sheet
Country Of Origin USA
Inlet/Outlet Size .5
Made in America Yes
Material Brass
Pressure Balanced Yes
Valve Type Ceramic Disc

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

Kohler K-2973-KS Reviews

  • What is the actual flow rate of this valve?

    A. The Kohler K-2973-KS has about 13 gallons per minute flow rate at standard house water pressure.

  • do I need a separate Valve for the showerhead On off or will the Tub spout button Be enough?

    A. The Kohler K-2973-KS will work with a tub spout with diverter and shower head. An additional diverter will not be needed.

  • What trim is recommended?


    The Kohler K-2973-KS rough-in valve is best used with the Kohler K-T10183-7 Mastershower Stacked Valve Trim.

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