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Final Test — Test for Leaks

Intermediate6 hours

Part of project

How to Replace a Broken Toilet Flange · Step 7 of 7

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In this video

Slowly turn the water supply valve back on. Listen for the tank to fill and watch closely for any drips or leaks around the new gasket and bolts at the base of the tank. Once the tank is full, perform a test flush. Again, carefully inspect the connection between the tank and bowl for any signs of water. If it remains dry, the repair is successful. Place the tank lid back on top.

Goal: Check the repair for any leaks.

  • Turn the water on slowly at first to check for major leaks before fully opening the valve.
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FAQs

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.

Final Test — How to Replace a Broken Toilet Flange (Step 7, Video 1) | Stesso