Tools Needed to Install a Kitchen Faucet


Whether you're replacing a kitchen faucet because it's not working or because you simply want to upgrade the faucet, you'll need to have some specific tools and supplies on hand. Kitchen faucets are much easier to install than other types of faucets, such as a shower or tub faucet, because they don't have plumbing hidden in walls and can drop into place quickly.

Adjustable Wrench

  • This will be the most critical tool while installing your faucet, and if you don't already have one, they're inexpensive to purchase. You'll use the adjustable wrench to turn and tighten the compression nuts on the hot and cold water supply lines. When using an adjustable wrench, be sure to turn the worm screw on it until the wrench fits snugly around the compression nuts. If there's too much slack in the wrench, you run the risk of stripping the bolt.


  • Some more elaborate kitchen faucets, such as ones with pull-out sprayers, may require you to secure them in place from the top. To do this, you'll need either a flat-head or Phillips-head screwdriver, depending on your specific faucet.

Putty Knife

  • A putty knife is a small tool that has a plastic handle and a long, thin and flat piece of metal at the end of it. Before installing the new faucet, scrape off any old putty from around the area on the sink where you will install the new faucet. It's important to start with a clean and even surface.

Other Materials

  • In addition to the adjustable wrench, screwdriver and putty knife, you'll also need Teflon tape and plumber's putty. You'll put the Teflon tape on the threading of the hot and cold faucet shanks and supply lines to ensure a good seal and prevent leaks. It's also a good idea to have some towels on hand to soak up any water drops that may leak out once you test the faucet after installation. If water drips are present, turn off the valve, retighten the compression nuts and test again.

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