Kohler K-15177 Guide D'installation page 7

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Spout
Aerator
5. Installation Checkout
Remove the aerator from the end of the spout by turning it
counterclockwise.
Turn on the main water supply.
Open the faucet handle to the ON position.
Flush hot then cold water through the faucet for about one
minute.
Push the faucet handle down to the OFF position.
Reattach the aerator by turning it clockwise.
Kohler Co. 7 114681-2-BC