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With the toilet removed, you will see the old wax ring and the broken flange. Immediately stuff a large rag into the drain pipe opening to block sewer gases and prevent tools from falling in. Use a putty knife to scrape all of the old wax off the flange and the bottom of the toilet horn. Dispose of the old wax. Inspect the flange to confirm the damage. Use a screwdriver, hammer, or pry bar to remove the screws holding the broken flange to the subfloor. If the flange is glued to the pipe, you may need to carefully break it apart with a hammer and chisel to remove it. Be careful not to damage the drain pipe.

You're viewing a step from: How to Replace a Broken Toilet Flange

Intermediate

6 hours

2/4 Inventory

This guide provides comprehensive instructions for replacing a broken toilet flange. The process involves turning off the water, removing the toilet, extracting the old broken flange, installing a new one, and then reinstalling the toilet with a new wax seal to ensure a leak-proof connection.

Based on content fromThe Plumbers Plunger· 201K subscribers

Frequently Asked Questions

Is replacing a toilet flange a difficult DIY project for a beginner, and how long does it typically take?

This project is rated as intermediate due to the precision required for a leak-proof seal and the need to handle plumbing. While the estimated time is 6 hours, beginners should allocate a full day, as unexpected issues like subfloor damage can extend the duration significantly.

Do I really need all the specific tools and materials listed, or can I substitute some for this project?

Many essential tools like adjustable wrenches, a drill, level, and screwdrivers are critical. While some general tools might be substituted, using the recommended materials like a new PVC flange, primer, cement, and a quality wax ring with bolts ensures a durable, leak-proof repair. Avoid cutting corners on the sealing components.

What's the most common mistake people make when replacing a toilet flange, and how can I avoid leaks?

The most common mistake is not ensuring the new flange is perfectly level with and securely fastened to the finished floor, or improperly seating the wax ring. To avoid leaks, make sure the flange is flush and tight, and carefully set the toilet straight down onto the new wax ring without rocking.

What are the most important safety precautions I should take when replacing a toilet flange?

Always shut off the water supply to the toilet and completely drain the tank and bowl before starting any work. Wear disposable nitrile gloves for hygiene and consider eye protection when working with tools or chemical primers and cements. A tarp is also crucial for protecting your flooring from water or debris.