Replacing a Toilet Wax Ring: A DIY Plumbing Fix

By | July 8, 2025

Replacing a Toilet Wax Ring: A DIY Plumbing Fix

Is your toilet leaking at the base, causing water to seep onto the floor? If so, it’s likely that the wax ring that seals the toilet to the floor is faulty and needs to be replaced. Replacing a toilet wax ring is a relatively simple DIY plumbing fix that can save you money and hassle. In this article, we’ll walk you through the steps to replace a toilet wax ring and get your toilet functioning properly again.

What is a Toilet Wax Ring?

A toilet wax ring is a type of gasket that seals the toilet to the floor, preventing water from leaking at the base of the toilet. The wax ring is typically made of a thick, flexible wax that is designed to compress and form a tight seal when the toilet is installed. Over time, however, the wax ring can dry out, crack, or become dislodged, causing leaks and water damage.

Symptoms of a Faulty Wax Ring

If you notice any of the following symptoms, it may be a sign that your wax ring needs to be replaced:

  • Water leaking at the base of the toilet
  • Water damage or stains on the floor around the toilet
  • A faint smell of sewage or mildew near the toilet
  • The toilet feels loose or unstable

Tools and Materials Needed

To replace a toilet wax ring, you’ll need the following tools and materials:

  • A new wax ring (available at most hardware stores or home improvement stores)
  • A putty knife or old screwdriver
  • A bucket or container to catch water
  • A wrench or basin wrench to loosen the toilet nuts
  • A pair of gloves and a wrench to remove the toilet

Step-by-Step Instructions

Replacing a toilet wax ring is a relatively simple process that can be completed in a few hours. Here’s a step-by-step guide:

  1. Turn off the water supply: Locate the shut-off valve behind the toilet and turn it clockwise to shut off the water supply to the toilet.
  2. Drain the tank: Flush the toilet to drain the tank, then use a bucket or container to scoop out any remaining water.
  3. Disconnect the water supply line: Use a wrench or basin wrench to loosen the nut that holds the water supply line to the toilet. Once loose, use a pair of pliers to remove the line from the toilet.
  4. Remove the toilet: Use a wrench to loosen the toilet nuts that hold the toilet to the floor. Once loose, use a pair of gloves to lift the toilet off the floor.
  5. Remove the old wax ring: Use a putty knife or old screwdriver to scrape out the old wax ring from the toilet flange (the metal ring that the toilet sits on).
  6. Inspect and clean the flange: Inspect the flange for any debris or old wax, and use a putty knife or old screwdriver to clean it out.
  7. Apply the new wax ring: Take the new wax ring and apply it to the toilet flange, making sure to center it and press it firmly into place.
  8. Reinstall the toilet: Carefully lower the toilet back onto the flange, making sure not to twist or turn it.
  9. Tighten the toilet nuts: Use a wrench to tighten the toilet nuts in a star pattern (tightening one nut, then moving to the next one, and so on).
  10. Reconnect the water supply line: Use a wrench or basin wrench to reconnect the water supply line to the toilet, and tighten the nut to secure it.
  11. Turn on the water supply: Turn the shut-off valve counterclockwise to turn on the water supply to the toilet.
  12. Test the toilet: Flush the toilet several times to test the new wax ring and make sure it’s not leaking.

Tips and Precautions

Here are a few tips and precautions to keep in mind when replacing a toilet wax ring:

  • Make sure to turn off the water supply to the toilet before starting the repair.
  • Use a bucket or container to catch water when draining the tank and flushing the toilet.
  • Wear gloves and protective eyewear when working with water and sewer connections.
  • Use a new wax ring that is designed for your specific type of toilet.
  • If you’re not comfortable with DIY plumbing repairs, consider hiring a professional plumber to do the job.

Conclusion

Replacing a toilet wax ring is a relatively simple DIY plumbing fix that can save you money and hassle. By following the steps outlined in this article, you can replace your wax ring and get your toilet functioning properly again. Remember to turn off the water supply, drain the tank, and use a new wax ring designed for your specific type of toilet. With a little patience and elbow grease, you can fix your toilet and enjoy a leak-free bathroom once again.