Kohler K-306 Guide D'installation page 13

Setscrew
O-Ring
9. Water Temperature Adjustment
CAUTION: Risk of personal injury. The water temperature
should never be set above 120° F (49° C).
NOTE: Do not remove the O-ring and collar at this time. Removing
the O-ring and collar will change the factory setting for the
maximum water temperature.
Turn the valve clockwise to the full open position and let the hot
water run for several minutes. Position a thermometer in the
water stream and check the temperature.
For minor water temperature changes, adjust the setscrew, and
recheck the water temperature.
For major water temperature changes, remove the O-ring and
collar from the valve stem. Slowly rotate the valve stem until the
desired maximum water temperature is reached.
Reinstall the collar on the valve stem with the setscrew against
the side of the tab.
Reinstall the O-ring, rotate the valve stem counterclockwise to
shut the water off.
Recheck the water temperature.
Reinstall the mixing valve trim.
Complete the information on the valve label (if supplied).
Kohler Co.
All manuals and user guides at all-guides.com
Tab
Valve
Valve
Stem
Label
Collar
O-Ring
13 1012679-2-C