Fix Tub Faucet Won't Turn Off

How to Fix Tub Faucet Won’t Turn Off

Imagine yourself looking forward to a relaxing bath or a quick shower, and suddenly, the tub faucet starts causing problems. It just won’t shut off, no matter how hard you twist and turn the handle. You start to feel agitated as the sound of running water becomes a constant reminder of the issue at hand. It’s as if the faucet has a mind of its own and is determined to ruin your peaceful moment. Dealing with a tub faucet that refuses to cooperate can be incredibly frustrating and stressful, leaving you feeling helpless and annoyed.

But don’t worry, we’ve got your back. In this article, we’ll unravel the mystery of why your tub faucet won’t turn off and provide you with practical solutions to fix the issue. We’ll skip the technical jargon and get straight to the point so you can get back to enjoying your baths and showers. So, buckle up, because we’re about to embark on a journey to plumbing victory!

Why Won’t Your Tub Faucet Shut Off?

Imagine your tub faucet as a gatekeeper controlling the flow of water. When you turn the handle, it’s supposed to let the water in when you want it and stop when you don’t. But sometimes, it rebels. It might be due to a variety of reasons, and we’ll explore them one by one.

  1. Worn-Out Washers: Inside your faucet, there are rubber or silicone washers that seal the water flow. Over time, they can become worn or damaged, causing leaks and making it impossible to turn off the water completely.
  2. Corroded Valve Seat: The valve seat is the connection between the faucet and the spout. If it’s corroded, it can prevent the faucet from shutting off properly. This is like trying to lock a rusty door—it just won’t work.
  3. Loose Parts: Your faucet has various parts that work together to control the water. If any of these parts become loose or damaged, the result can be a faucet that won’t turn off.
  4. Mineral Buildup: In areas with hard water, minerals can accumulate inside the faucet. This buildup can interfere with the normal operation of the faucet, making it hard to turn off.
  5. Faulty Cartridge or Valve Stem: Modern faucets often use cartridges or valve stems to control the water flow. If these components are damaged or malfunctioning, your faucet might not turn off as it should.
  6. Old Age: Sometimes, it’s just a matter of time. Like any other mechanical device, faucets have a lifespan, and as they get older, they become more prone to problems.

DIY Solutions to Fix Your Stubborn Tub Faucet

Now that we know why your faucet is being so stubborn, let’s roll up our sleeves and get to work. Here are some DIY solutions to help you fix that defiant tub faucet.

DIY Solutions to Fix Your Stubborn Tub Faucet

1. Check the Washers:

  • Turn off the water supply: Before you start, make sure to turn off the water supply to your tub. You don’t want a watery surprise while you’re fixing things.
  • Remove the handle: Use a screwdriver or an Allen wrench to remove the faucet handle. It might be held in place with a screw or a nut.
  • Inspect the washers: Inside the faucet, you’ll find the washers. Check if they are worn, damaged, or loose. If so, replace them with new ones. You can find replacement washers at your local hardware store.

2. Clean the Valve Seat:

  • After removing the handle, you’ll see the valve seat. If it’s corroded or covered in mineral deposits, use a valve seat wrench to remove it.
  • Clean the valve seat with a wire brush or a piece of cloth. Make sure it’s smooth and free of any debris.
  • Reassemble the faucet, and the problem should be resolved.

3. Tighten Loose Parts:

  • Sometimes, it’s just a matter of tightening loose components. Check for any loose nuts or screws and tighten them using the appropriate tool.

4. Remove Mineral Buildup:

  • If you suspect mineral buildup is the issue, you can use vinegar to dissolve it. Soak a cloth or paper towel in vinegar and wrap it around the faucet. Let it sit for a few hours to break down the minerals.
  • After soaking, remove the cloth and scrub the faucet with a brush to remove any remaining buildup.

5. Replace the Cartridge or Valve Stem:

  • If your faucet uses a cartridge or valve stem, and you suspect it’s the source of the problem, you may need to replace it. Consult your faucet’s manual or manufacturer for guidance on this.

6. Consider the Age:

  • If your faucet is quite old and has been giving you trouble, it might be time to replace it with a new one. Sometimes, the best solution is a fresh start.


Dealing with a tub faucet that refuses to turn off can be a frustrating experience. However, there are several steps you can take to resolve the issue. This comprehensive guide provides a step-by-step approach to help you fix the problem yourself, including the necessary tools and safety precautions to take. If you encounter difficulties or are uncomfortable with DIY repairs, do not hesitate to seek assistance from a professional plumber. With the right approach, you can have your faucet functioning correctly, and your peaceful baths and showers restored in no time.


  1. How do I turn off the water supply to my tub faucet?
  • To turn off the water supply, locate the shut-off valve for your tub. It’s usually located in the bathroom or near the tub. Turn the valve clockwise to shut off the water.
  1. Can I use any type of wrench to remove the faucet handle?
  • The type of wrench you need depends on the design of your faucet. Some faucets require an Allen wrench, while others may use a standard screwdriver. Refer to your faucet’s manual for the right tool.
  1. What’s the best way to prevent mineral buildup in my faucet?
  • To prevent mineral buildup, consider using a water softener if you have hard water. Regularly clean and maintain your faucet to avoid mineral deposits.
  1. How long does a typical faucet last before needing replacement?
  • The lifespan of a faucet can vary depending on factors like usage and water quality. On average, a well-maintained faucet can last 15-20 years. However, some high-quality faucets can last even longer.
  1. Should I hire a professional plumber if these DIY solutions don’t work?
  • If you’ve tried these solutions and your faucet still won’t turn off, or if you’re uncomfortable working on plumbing, it’s best to hire a professional plumber to diagnose and fix the issue.

Matthew Olson

Matt McGrath is a travel blogger and writer in the blogging community who has been to more than 50 countries. He loves exploring new cultures, but also likes sharing practical tips with his followers about how they can easily afford this exploration!

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