How to Install a Kitchen Faucet

Written by: Milan Rosan
DIY Specialist
(800) 375-3403

Fortunately, installing a kitchen faucet is now a DIY project, thanks to manufacturers simplifying the process. Pretty much everything required for the install comes with the kitchen faucet. Occasionally, a kitchen faucet will require a special tightening tool, and that’s something the manufacturer will provide.


Adjustable wrench, plumber’s putty or Teflon tape


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NOTE: These are general installation instructions, and the actual instructions may vary slightly across manufacturers. Always refer to the installation instructions issued by the manufacturer.

Step by Step Instructions

Step 1:

Put the spout together. The spout will likely require a few items to be placed in the base, so be sure to follow the instructions and do it in the order they specify. Examples of some of the items include O-ring, gasket, metal washer, spacer, mounting bracket, and nuts.

Step 2:

If you’re installing a single-hole faucet, insert the spout base and water line through the hole in the sink.

If your kitchen faucet includes an escutcheon plate, apply some plumber’s putty beneath the edges of the plate, align the hole(s), and press gently into place. Wipe away any excess plumber’s putty.

Step 3:

Hook up the supply lines. Make sure the hot water goes on the left and the cold water goes on the right. Tighten the lines with a wrench.

Step 4:

Finish any attachments under the counter that may be specific to your kitchen faucet.

From here, the installation process can vary greatly, depending on whether you have a single-handle or double-handle faucet, whether you have a pullout spray spout or standard spout, if your faucet includes an aerator, etc. Follow the manufacturer-issued instructions to complete the install.
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