How To Install a Center-Set Faucet

2-4 hours

Install the most common type of bath faucet with this basic DIY project

One of the most common types of bath faucets is a center-set faucet. They’re available in a wide selection styles and prices, and are generally easy to install.

This guide will help you properly install a center-set bath faucet.

Tip: If you have cultured marble or other composite sinks, we recommend you use silicone caulk as plumber’s putty may discolor the sink.

What you need for this project

1
Turn off the water
Turn off the water - Center-Set Faucet

Safety: Use towels to cushion your back and wear eye protection when working under the sink.

• Remove all items from under the sink. Place a bucket, pan or rags under the work area to catch excess water.
• Turn off the hot and cold water supply lines at the shut-off valves beneath the sink. If there are no shut-off valves, turn off the main water supply.
• Turn the faucet on to release the pressure in the water lines and let drip until empty.

2
Remove the old faucet
Remove the old faucet - Center-Set Faucet

• Remove the old supply lines and the mounting nuts.
• Apply a penetrating lubricant if the lines or nuts are corroded or in a hard-to-reach position.
• Lift the faucet fixture from the top of the sink. A putty knife can remove all of the old sealant from the top.
• Use a cleaner suitable for your sink type to clean the area.

3
Seal around the faucet openings
Seal around the faucet openings - Center-Set Faucet

Apply a bead of plumber’s putty or silicone caulk around the bottom of the faucet.

4
Place faucet gasket
Place faucet gasket - Center-Set Faucet

• Assemble the faucet following the manufacturer’s instructions.
• Place the faucet gasket over the tailpieces so that it is between the sink and the base of the faucet.

5
Set the faucet
Set the faucet - Center-Set Faucet

• The valves should fit into the hole spacing in the sink.
• Insert the faucet so that the base is parallel to the back of the sink and press the faucet down firmly.

6
Place the basin nuts
Place the basin nuts - Center-Set Faucet

Thread each basin nut, alternating from one to the other to draw the faucet body evenly over the gasket. Do not tighten all the way.

7
Center the faucet body
Center the faucet body - Center-Set Faucet

Measure from both sides to center the faucet body on the sink.

8
Hand-tighten the basin nuts
Hand-tighten the basin nuts - Center-Set Faucet

From beneath the sink, screw the friction washers and mounting nuts onto the faucet tailpieces and tighten them with the basin wrench or faucet and sink installer tool.

9
Connect the water supply lines and check for leaks
Connect water supply lines check leaks - Center-Set Faucet

• Attach the supply lines to the faucet and angle valves.
• Wipe away any excess putty from around the faucet base.
• Turn the water back on at the angle valves. Turn on the faucet and allow both hot and cold water to run for one minute.
• Check for leaks.
• If supplied, install the matching pop-up drain.