How to Replace a Toilet Wax Ring

A toilet wax ring forms a watertight seal between the base of the toilet and the floor drain (flange). Over time, the wax can deteriorate, causing leaks, unpleasant odors, and even water damage. Replacing a wax ring is an intermediate DIY task, but with some basic tools and careful steps, you can do it yourself in about an hour.

This guide will walk you through removing the toilet, replacing the wax ring, and reinstalling the toilet properly to prevent future leaks.

New toilet wax ring (consider an extra-thick ring if your flange is below floor level)

Adjustable wrench (to remove toilet bolts)

Putty knife (for scraping off old wax)

Rubber gloves (to keep hands clean)

Rags or old towels (to absorb any water)

Bucket & sponge (for any remaining water in the toilet)

Toilet bolts (optional) (if old ones are corroded)

Plumber’s tape (for sealing water supply connections)

Disinfectant cleaner & paper towels (to clean the area)

Locate the water supply valve behind the toilet and turn it clockwise to shut off the water. Flush the toilet to drain as much water as possible from the tank and bowl. Use a sponge or towel to remove any remaining water.

Remove the caps covering the bolts at the base of the toilet. Use a wrench to unscrew the nuts securing the toilet to the floor. Gently rock the toilet side to side to break the wax seal, then carefully lift the toilet and set it aside on a protective surface.

With the toilet removed, you’ll see the old wax ring on the toilet flange. Use a putty knife to scrape away all the old wax from the flange and the base of the toilet. Ensure the area is clean and free of debris.

Place the new wax ring onto the toilet flange, ensuring it’s centered. Some prefer to attach the wax ring to the bottom of the toilet instead; either method works.

Carefully lower the toilet onto the new wax ring, aligning the bolt holes with the floor bolts. Press down firmly to compress the wax ring and create a seal. Reattach and tighten the nuts onto the bolts evenly on both sides.

Reconnect the water supply line to the toilet tank and turn the valve back on. Allow the tank to fill, then flush the toilet several times to check for leaks around the base.

Replacing a toilet wax ring might seem intimidating, but by following these steps carefully, you can save money on plumber fees and fix leaks yourself. A proper wax seal ensures your toilet sits securely, prevents leaks, and keeps bad odors out.