How do I replace a toilet wax ring?

Replacing a toilet wax ring is a manageable DIY project that typically takes 2-3 hours and requires basic tools. You'll need a new wax ring, toilet bolts, and potentially a new toilet flange if the old one is damaged.

Start by shutting off the water supply at the valve behind the toilet and flushing to empty the tank and bowl. Remove the water supply line and unscrew the nuts holding the toilet to the floor bolts. Carefully lift the toilet straight up - it's heavy and awkward, so having a helper is wise. You'll immediately see the old wax ring on the toilet flange in the floor.

Scrape away all the old wax from both the toilet base and the floor flange using a putty knife. This is the messiest part of the job, but it's crucial to get all the old wax off for a proper seal. Inspect the toilet flange for cracks or damage - if it's broken, you'll need a plumber to replace it before proceeding.

In Ottawa's climate, standard wax rings work well, though some plumbers prefer wax rings with plastic funnels for better sealing on uneven floors common in older Ottawa homes. Place the new wax ring on the flange (not on the toilet), then carefully lower the toilet straight down onto the bolts. Press down firmly and rock slightly to compress the wax, then tighten the nuts evenly.

The biggest risk is improper sealing, which can cause water damage to your subfloor over time. If you're not confident about getting a watertight seal, or if you discover flange damage, it's worth having a licensed plumber handle the job. Many Ottawa homeowners find the lifting and precise positioning challenging, especially in tight bathroom spaces.

For a professional toilet installation or if you encounter complications, Ottawa Pro Plumbing offers reliable service with proper cleanup and disposal of old components.

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