Kohler K-11000 Guide D'installation page 6

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4. Installation Checkout
Connect the drain tailpiece into the trap. The tailpiece should
extend 1" (2.5 cm) to 2" (5 cm) into the trap.
Ensure all connections are tight.
Open the drain.
Turn on the main water supply and check for leaks. Repair as
needed.
Lift and rotate the faucet handle to the full hot position, then the
full cold position. Run water through the spout for about one
minute to remove any debris. Check for leaks and repair as
needed.
Push the lever handle down to turn off the faucet.
1035092-2-C 6 Kohler Co.