The 5 Common Causes of Bathroom Sink Leaks: What You Need to Know

Posted on: 31 October 2023

Bathroom sinks are one of the most frequently used plumbing fixtures at home, which means there's a high chance of it experiencing various issues, such as clogs and leaks. A leaking sink not only causes annoyance but can also lead to water waste and increase your water bills. If you're tired of dealing with a continuously dripping sink, then this article is for you. Here's a quick look at the five common reasons why your bathroom sink is leaking and what you can do to fix it.

Loose or Worn-Out Washer

One of the common causes of sink leaks is a worn-out or loose washer. A washer is a component that is located at the base of the faucet handle and helps prevent water from leaking. Over time, the washer can become loose or worn out, causing water to seep through. This can be fixed by tightening the washer or replacing it altogether.

Damaged O-Rings

O-rings are small round rubber components that are located near the base of the faucet handle. They serve as a seal to prevent water from leaking out of the sink. When the O-ring becomes worn out or damaged, water can seep through the base of the faucet handle, causing the sink to leak. Replacing the O-ring solves this problem.

Corroded Valve Seat

A corroded valve seat can also cause a bathroom sink leak. The valve seat is the area where the spout and faucet meet. When it gets corroded, it can lead to water seeping out of the sink's base. A corroded valve seat can be fixed by cleaning it with white vinegar or by replacing it entirely.

Loose Connections

Loose connections can also cause a bathroom sink to leak. Over time, connections between the sink and the water supply pipes can become loose, causing water to seep through the joints. Re-tightening these connections can resolve the issue.

Cracked Sink

Lastly, a cracked sink can also cause water leakage. This can be a result of damage caused by extreme temperatures or natural wear and tear. A cracked sink is a serious problem that requires replacement. Repairing this damage in a timely manner can prevent further damage, both structurally and financially. 

A leaking bathroom sink can be a frustrating problem that can only get worse over time. Fixing these issues can save you money on water bills, prevent costly repair bills, and increase your home's value. If you're still experiencing sink leaks, feel free to reach out to your local plumber for help.

Contact a professional plumbing service in your area to learn more.


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