Fixing Leaking Single Handle Bathroom Faucet

A leaking single handle bathroom faucet can be a common problem that can lead to water waste and higher utility bills. Fortunately, fixing a leaking faucet is a relatively simple task that can be completed in a matter of minutes with the right tools and parts.

Tools and Materials:

Phillips head screwdriver
Adjustable wrench
Replacement cartridge
Replacement O-rings
Plumber's grease
Rags

Steps: 1. Turn Off the Water Supply:

Locate the water supply valves under the sink and turn them off to stop the water flow to the faucet.

2. Remove the Faucet Handle:

Use a Phillips head screwdriver to remove the screw that holds the handle in place. Pull the handle straight up and off the faucet.

3. Remove the Cartridge:

Use an adjustable wrench to loosen the cartridge retaining nut. Remove the cartridge by pulling it straight out of the faucet body.

4. Inspect the Cartridge:

Inspect the cartridge for any damage or wear. If the cartridge is damaged, it will need to be replaced.

5. Replace the Cartridge and O-rings:

Apply plumber's grease to the new cartridge O-rings and insert the cartridge into the faucet body. Tighten the retaining nut securely.

6. Reinstall the Handle:

Align the handle with the faucet body and press it down until it clicks into place. Secure the handle with the screw.

7. Turn On the Water Supply:

Turn the water supply valves back on and check for leaks. If any leaks are detected, tighten the cartridge retaining nut or handle screw as necessary.

Tips:

Use caution when tightening the cartridge retaining nut to avoid overtightening and damaging the faucet.
If the leak is coming from the base of the faucet, it may be necessary to replace the O-rings on the water supply lines.
If you are not comfortable working on plumbing, it is recommended to call a professional plumber for assistance.