How to Install a Faucet

Do you need to install a faucet but don't know how? Follow these step-by-step directions to learn how to install a faucet on your own.

Step 1: Turn water off

Turn the water off at the main water unit and/or at the valves under the sink.

Step 2: Attach supply lines to sink faucet

First, attach the supply lines to the tailpieces of the faucet.

Second, with a basin wrench or slip-joint pliers, tighten the coupling nuts around the edge of supply lines and tailpieces to connect them together.

Step 3: Spread sealant & Place faucet

First, spread the base of the faucet with a quarter-inch bead of plumber’s putty (or silicon caulk if it’s a marble sink).

Second, put the tailpieces of the faucet with the attached supply lines into the holes in the sink.

Third, place the faucet base parallel to the back of the sink to align, then press the faucet down hard for at least half a minute.

Step 4: Screw on mounting nuts

First, screw the friction washers and the mounting nuts onto the tailpieces of the faucet and with a basin wrench or slip-joint pliers, tighten the nuts up.

Last, after the faucet base had some time to dry, wipe away any excess putty or silicon caulk around the base.

Step 5: Connect supply lines

To shut the valves off and tighten the nuts, attach the faucet’s supply lines. Now with an adjustable wrench and while holding the valve with a different wrench, turn the nuts an extra quarter-turn.

Step 6: Spread sealant to sprayer base

First, spread the base of the sprayer with a quarter-inch bead of plumber’s putty (or silicon caulk if it’s a marble sink).

Second, install the sprayer base’s tailpiece into the opening of the sink.

Step 7: Screw in mounting nuts

First, position the friction washer over the tailpiece if needed.

Second, if it is not already, attach the sprayer hose to the sprayer.

Third, with a basin wrench or slip-joint pliers, screw the mounting nut onto the tailpiece of the sprayer base.

Fourth, wipe away any excess putty from around the base now that it has gotten some time to try.

Step 8: Screw in sprayer hose

First, take the sprayer hose and screw it onto the hose nipple on the bottom of the faucet.

Second, hand-tighten the hose nut and then, with a basin wrench or slip-joint pliers, turn it a quarter turn more.

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Article Summary

Quick question & answer: How do I install a faucet?

You can install a faucet by first turning the water off. Then, attach supply lines to the sink faucet. Spread the base of the faucet with sealant and set the faucet in place. Screw on mounting nuts. Connect the supply lines and spread sealant to the sprayer base. Lastly, screw in the mounting nuts and sprayer hose.

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