The K-304-** Rite-Temp Valves may be adjusted to achieve your maximum hot water temperature. Note: The water temperature should never be set above 120 degrees F.1.Remove the handle and trim from the wall to expose the cap assembly.2.Remove the black o-ring, caution tag, and red collar from the round brass stem; older model will have a black collar.3.Rotate the valve stem clockwise to turn the.. To adjust the temperature on a kohler shower valve, turn the handle clockwise for hot water and counterclockwise for cold water.
Factors that change the temperature of the water supplied to the valve, such as seasonal water temperature changes, and water heater replacement or servicing, will change the maximum water temperature supplied by the valve and may create a scalding hazard. The pressure-balancing valve will not compensate for changes in the water supply temperature; adjust the maximum water temperature setting.. Shower Temperature Adjustment NOTE: To ensure the correct shower temperature, first turn the valve spline adapter to the full hot position then adjust the shower temperature.