A new kitchen faucet is an easy and affordable way to update your space. With a few common tools, it's easy to replace or install a kitchen faucet.
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If you're replacing the faucet in your existing sink, look underneath the sink to see how many holes it has - usually between 1 and 4. This determines the type of faucet that will work with your sink. A one-hole faucet can be installed in a 3- or 4-hole sink by adding a deck plate, but not vice versa.
Turn off the water valves under the sink. Turn on the faucet to relieve pressure in the lines. Turn off power to the disposal, if applicable.
Snap a picture of the plumbing configuration before disconnecting to use as a reference later.
Use a small bucket under the connections to catch water as you disconnect supply lines.
Have someone hold the faucet in place from above the cabinet, while you use a basin wrench to loosen and remove the nuts holding the faucet.
Remove the faucet and clean grime and / or sealant from the sink's surface.
Because all faucets are different, defer to the manufacturer's installation instructions.
Place the rubber or plastic gasket, or trim ring, over the faucet holes in the sink and set the deck plate. Refer to the manufacturer's instructions regarding the use of caulk or plumber's putty in gasket installation.
Feed faucet lines into the hole(s).
Install washers and nuts underneath the sink. If you used caulk or plumber's putty for the gasket / trim ring installation, wipe away excess underneath the sink.
For pull-down faucets, attach the quick-connect hose to the supply pipe. Pull down on the hose and attach the weight.
The weight needs clearance to hang freely underneath the sink.
Connect water supply lines. Use plumber's tape if necessary. Watch our video: What Is Plumber's Tape?
Do not overtighten supply line connections.
Turn the water on slowly and check for leaks. Tighten connections if necessary.
Remove the aerator from the faucet. Slowly turn the water on and let it run, aerator-free, for a few minutes to clear the lines. Recheck everything for leaks and make readjustments.
Turn the faucet off and replace the aerator.
Want more? Learn how to install a kitchen sink.