Bathroom Sink Leaking From Handle

By | July 31, 2020

Bathroom Sink Leaking From Handle: Essential Troubleshooting Guide

A leaking bathroom sink handle is a common plumbing issue that can waste water and increase your utility bills. While it may seem like a minor inconvenience, ignoring a leaking handle can lead to more serious problems down the road, such as water damage or mold growth. Fortunately, most sink handle leaks are relatively easy to fix with a few basic tools and materials.

In this article, we'll provide you with a step-by-step guide to troubleshooting and fixing a bathroom sink leaking from the handle. We'll cover the most common causes of leaks, as well as the tools and materials you'll need to make the repairs.

Common Causes of Bathroom Sink Handle Leaks

  • Worn or damaged washers: Washers are small rubber or plastic discs that create a seal between the handle and the faucet body. Over time, washers can become worn or damaged, causing water to leak from the handle.
  • Loose handle screw: The handle screw is what holds the handle in place. If the screw becomes loose, it can allow water to leak from around the handle.
  • Damaged O-rings: O-rings are small rubber seals that fit around the base of the handle. If an O-ring becomes damaged, it can allow water to leak from the handle.
  • Cracked or damaged faucet body: In rare cases, the faucet body itself can become cracked or damaged, causing water to leak from the handle.

Tools and Materials You'll Need

  • Adjustable wrench
  • Phillips head screwdriver
  • Flat head screwdriver
  • New washers
  • New O-rings (if necessary)
  • Plumber's putty (optional)

Step-by-Step Troubleshooting and Repair Guide

1. Turn off the water supply: Before you begin any repairs, it's important to turn off the water supply to the sink. You can do this by closing the shut-off valves located under the sink.

2. Remove the handle: Most sink handles are held in place by a screw that is located on the top of the handle. Use a Phillips head screwdriver to remove the screw and pull the handle off the faucet.

3. Inspect the washer: Once the handle is removed, you'll be able to see the washer. Inspect the washer for any signs of wear or damage. If the washer is worn or damaged, it will need to be replaced.

4. Replace the washer: To replace the washer, simply remove the old washer and install a new one. Make sure that the new washer is the same size and type as the old washer.

5. Inspect the O-rings: If the washer is not the cause of the leak, you may need to inspect the O-rings. O-rings are small rubber seals that fit around the base of the handle. If an O-ring is damaged, it will need to be replaced.

6. Replace the O-rings: To replace the O-rings, simply remove the old O-rings and install new ones. Make sure that the new O-rings are the same size and type as the old O-rings.

7. Reinstall the handle: Once the washer and O-rings have been replaced, you can reinstall the handle. To do this, simply insert the handle into the faucet body and tighten the screw.

8. Turn on the water supply: Once the handle is reinstalled, you can turn on the water supply to the sink. Check for any leaks. If the leak has been fixed, you're all done!

Additional Tips:

  • If you're not comfortable making the repairs yourself, you can call a plumber to fix the leak for you.
  • To prevent future leaks, it's a good idea to replace the washers and O-rings in your sink handles every few years.
  • If you notice any cracks or damage to the faucet body, you'll need to replace the faucet.


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