Dripping Bathroom Sink: 5 Surprising Reasons Why It’s Time to Fix It

A dripping bathroom sink can be an annoying and persistent problem. It not only wastes water, but can also create a constant and irritating sound. Understanding the root cause of the drip can help you solve the issue and restore peace to your bathroom.

1. Worn-Out Washer

The washer is a small, rubber or plastic seal that sits between the faucet handle and the valve stem. Over time, washers can become worn, cracked, or damaged, causing water to leak through.

2. Loose O-Rings

O-rings are rubber seals that create a watertight seal around various parts of the faucet. If an O-ring becomes loose or damaged, it can allow water to escape and cause a drip.

3. Faulty Cartridge

Cartridges are internal components that control the flow of water in faucets. If the cartridge becomes damaged or worn, it can lead to a drip.

4. Damaged Valve Seat

The valve seat is a surface inside the faucet that the washer or cartridge seals against. If the valve seat becomes damaged or corroded, it can prevent the faucet from sealing properly and cause a drip.

5. Debris Blockage

Mineral deposits, sediment, or other debris can accumulate in the faucet’s aerator or other parts, restricting water flow and causing a drip.

6. Incorrect Water Pressure

Excessive water pressure can put stress on the faucet’s components, leading to leaks and drips.

7. Loose Handle

If the handle of the faucet is loose, it can cause the valve stem to move slightly, resulting in a drip.

Resolving the Dripping Issue

Once you’ve identified the cause of the drip, you can take steps to resolve the issue:

• Replace the washer: Remove the handle and unscrew the packing nut to access the washer. Replace the old washer with a new one of the same size and material.
• Tighten O-rings: Use a wrench to tighten any loose O-rings around the faucet.
• Replace the cartridge: If the cartridge is faulty, you’ll need to remove the handle and faucet stem to replace it.
• Repair or replace the valve seat: This requires professional plumbing skills.
• Clean out debris: Remove the aerator and clean it with a brush or vinegar solution. Check for any other blockages in the faucet.
• Adjust water pressure: If the water pressure is too high, you can install a pressure-reducing valve.
• Tighten the handle: Use a wrench to tighten the handle and ensure the valve stem is properly aligned.

Beyond the Conclusion: Troubleshooting Tips

If you’re still experiencing a dripping sink after attempting the above solutions, consider these additional tips:

• Check the supply lines: Ensure that the supply lines connecting the faucet to the water source are not leaking.
• Inspect the drain: A clogged drain can cause water to back up and drip from the faucet.
• Call a plumber: If you’re unable to resolve the drip on your own, it’s advisable to contact a qualified plumber for assistance.

FAQ

1. Why does my sink drip only when the water is turned on?

This is likely due to a worn-out washer or a faulty cartridge.

2. What type of washer do I need to replace?

The type of washer you need depends on the specific faucet model. Check the manufacturer’s instructions or consult a plumbing supply store.

3. Can I use a universal washer?

Universal washers may not fit all faucets properly and can lead to leaks. It’s best to use a washer specifically designed for your faucet model.

4. How often should I replace the washer?

Washers typically last for several years, but their lifespan can vary depending on water quality and usage. It’s recommended to replace the washer every few years or as needed.

5. Why does my sink drip even when it’s turned off?

This could indicate a faulty valve seat or a damaged O-ring. It’s advisable to call a plumber to inspect and repair the issue.