Kohler K-3437 Guide D'installation page 9

GFCI-Protected
Receptacle
6. Confirm Operation
Flush the toilet several times and check all connections for leaks.
NOTE: This toilet is equipped with dual-flush operation, allowing
for a 1.1 gallon (4.2 liter) and 1.6 gallon (6 liter) flush. Make sure
both flushes operate properly.
Periodically check for leaks for several days following the
installation.
Kohler Co.
Long Flush
(1.6 gpf (6 lpf))
Short Flush
(1.1 gpf (4.2 lpf))
9 1021801-2-A