How to Fix a Leaky Wall-Mounted Faucet

Fixing a leaky wall-mounted faucet can be challenging, but with the right tools and steps, you can often repair it yourself. This guide will walk you through how to diagnose and fix a wall-mounted faucet leak effectively.

Note: Always turn off the water supply to the faucet before starting any repair to avoid accidents or further water damage.

Tools and Materials You May Need

• Adjustable wrench
• Screwdrivers (Phillips and flathead)
• Replacement parts (cartridge, O-rings, washers)
• Plumber’s tape
• Pipe wrench (if needed)

Step 1: Identify the Source of the Leak

Pinpoint where the leak originates. Common leak sources include:

• The spout
• The handles
• The wall plate (for tub or shower faucets)

Step 2: Disassemble the Faucet

• Remove decorative caps or handle covers using a screwdriver or by gently prying them off.
• Access the valve stems and unscrew them counterclockwise with an adjustable wrench.

Step 3: Inspect and Replace Components

For leaks from the spout:

• Replace worn O-rings or washers inside the spout.
• Apply plumber’s tape to spout threads before reattaching.

For leaks from the handles:

• Inspect valve stems for worn parts or damage.
• Replace cartridges or washers as needed and tighten the valve stems securely.

For leaks from the wall plate:

• Remove the wall plate and inspect the valve, gaskets, or O-rings.
• Replace any damaged components and reattach the wall plate securely.

Step 4: Reassemble and Test

• Reinstall handles, ensuring they are securely fastened.
• Gradually turn on the water supply and check for leaks.
• Test faucet operation by turning it on and off to confirm smooth performance.

Step 5: Seal and Re-Caulk (If Necessary)

If you had to remove the wall plate or disturb the surrounding sealant, reapply silicone caulk around the plate to create a watertight seal and protect your wall from moisture.

Step 6: Final Check

Let the faucet run for a few minutes to ensure there are no hidden leaks. If everything looks good, you’ve successfully fixed your leaky wall-mounted faucet. If you’re unsure about any part of the process, consult a professional plumber to avoid causing additional damage or complications.