How To Replace A Washer In Single Handle Bathroom Faucets

Replacing a washer in a single-handle bathroom faucet is a relatively simple and inexpensive task for most homeowners to complete. With a few simple tools and materials, you'll be able to get your faucet working properly again in no time.

Parts of a Single-Handle Bathroom Faucet

Before you can replace the washer, you need to know a little bit about the different parts of a single-handle bathroom faucet. The main parts of the faucet are the handle, the cartridge, and the washer. The handle is what you use to turn the water on and off and adjust the temperature. The cartridge is a cylindrical-shaped piece that controls the flow of water. The washer is a small, rubber or plastic disc that sits inside the cartridge and prevents water from leaking out of the faucet.

Tools and Materials You'll Need

To replace the washer in a single-handle bathroom faucet, you'll need the following tools and materials:

Phillips head screwdriver
Adjustable wrench
New washer
Plumber's grease

Replacing the Washer

Once you have the necessary tools and materials, you can follow these steps to replace the washer in a single-handle bathroom faucet:

Turn off the water supply to the faucet by closing the shut-off valves under the sink.
Open the faucet to release any remaining water.
Remove the handle by unscrewing the set screw that holds it in place.
Use the adjustable wrench to loosen the packing nut that holds the cartridge in place.
Pull the cartridge out of the faucet.
Remove the old washer from the cartridge.
Apply a small amount of plumber's grease to the new washer.
Place the new washer onto the cartridge.
Reassemble the faucet in reverse order, tightening the packing nut securely using the adjustable wrench.
Turn on the water supply and check for leaks.

If you follow these steps, you should be able to replace the washer in a single-handle bathroom faucet in just a few minutes.