How To Replace Flange For Toilet

How to Replace a Toilet Flange: A Step-by-Step Guide

Replacing a toilet flange might sound daunting, but with the right tools and a methodical approach, it's a manageable DIY project that can save you money on plumbing bills. A damaged or improperly installed flange can lead to leaks and instability, so addressing this issue is crucial for a functional and long-lasting toilet. This comprehensive guide will walk you through each step, ensuring a successful and leak-free toilet installation.

What You'll Need:

• New toilet flange: Choose one that matches your toilet drainpipe size (usually 3" or 4"). Consider a wax-free flange for easier installation and potentially longer lifespan.
• Screwdriver (Phillips and flathead): For removing the old flange bolts and securing the new one.
• Adjustable wrench: To loosen and tighten nuts and bolts.
• Plumber's putty: To create a watertight seal between the toilet and the flange.
• Basin wrench: To access and tighten the flange bolts from below the toilet. This is highly recommended but not always strictly necessary.
• Putty knife: To remove old putty and clean the surface.
• Old rag or sponge: For cleaning up spills.
• Gloves: To protect your hands.
• Safety glasses: To protect your eyes.
• Toilet removal tools: (Depending on the situation, you might need a toilet auger or other tools to break up clogs or deal with particularly stubborn bolts).

Step-by-Step Instructions:

1. Turn Off the Water Supply

Before you begin, turn off the water supply to the toilet. This is usually a valve located behind the toilet. Flush the toilet to empty the tank and bowl.

2. Disconnect the Toilet

Disconnect the water supply line from the tank. Then, gently rock the toilet back and forth to break the seal between the toilet and the floor. You may need to carefully pry it loose using a putty knife. Be aware that the toilet is heavy.

3. Remove the Old Flange

Once the toilet is removed, you can access the old flange. Remove the old flange bolts using a screwdriver. Using a putty knife, carefully remove the old wax seal and any remaining putty from both the toilet base and the flange. Scrape away any corrosion or debris.

4. Inspect the Existing Drain Pipe

This step is crucial. Inspect the drainpipe for any cracks or damage. If the drainpipe is damaged, you may need to call a plumber to repair it before installing a new flange.

5. Install the New Flange

Position the new flange over the drainpipe, ensuring it's level and properly seated. Secure the flange using the provided bolts and nuts. If using a wax-free flange, follow the manufacturer’s instructions for proper installation. Tighten the bolts securely, but avoid over-tightening.

6. Reinstall the Toilet

Apply a fresh bead of plumber's putty around the base of the toilet before placing it onto the new flange. Carefully lower the toilet onto the flange, ensuring it's centered and level.

7. Reconnect the Water Supply

Reconnect the water supply line to the tank and turn the water back on. Check for any leaks around the base of the toilet and the flange.

8. Final Checks

Flush the toilet several times to check for leaks. If you notice any leaks, carefully tighten the bolts further, or reapply plumber's putty as needed.

Troubleshooting:

• Bolts are stuck: Use penetrating oil to loosen them. A basin wrench will significantly aid access to these bolts.
• Flange is severely damaged: Replacing the entire drainpipe might be necessary. Consult a professional plumber for more complex repairs.

By following these steps carefully, you can successfully replace your toilet flange. Remember safety first and don't hesitate to seek professional help if you encounter unexpected difficulties. A properly installed flange ensures a leak-free and stable toilet for years to come.