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Reassemble and Test Drainage — Test for Leaks

Beginner6 hours

Part of project

How to Remove a Garbage Disposal and Install a Standard Sink Drain · Step 9 of 9

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In this video

Once the pipes are correctly sloped, reassemble all the connections. Ensure the slip nuts are hand-tightened securely to prevent leaks. After reassembly, run water into the sink for a minute or two to test the drainage. The water should now drain quickly and completely. While the water is running, use a flashlight to check all the reconnected pipe joints for any drips or leaks.

Goal: Confirm the drainage issue is resolved and there are no leaks

  • Hand-tighten plastic fittings first. Only use pliers if necessary and be gentle to avoid cracking the plastic.

Used in this video

  • Flashlight (Tool Type: Hand Tools)Checking for leaks after reassembly.
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FAQs

Is this project truly beginner-friendly, and how much time should I realistically set aside?

Yes, it is designed for beginners. While the steps are straightforward, you should allocate the full estimated 6 hours. This allows ample time for prep, unexpected issues, and thorough leak testing, which is crucial for a successful outcome.

What are the most critical safety precautions I need to take before starting this project?

Your top priority is safety: immediately turn off the electrical power to the disposal at your circuit breaker and shut off the hot and cold water supply valves under the sink. Always wear safety gloves to protect your hands from sharp edges, old grime, and potential chemical exposure during cleaning.

Do I really need all the specialized tools listed, like the basket strainer wrench, or can I get by with standard tools?

While basic tools are essential, a basket strainer wrench (e.g., Husky 16PL0141) is highly recommended. It significantly simplifies removing the old and installing the new sink strainer, ensuring a tighter seal and preventing damage that can occur with improvised tools.

What's the most common problem people encounter when switching from a disposal to a standard drain, and how can I avoid it?

The most common issue is leaks, especially around the new sink strainer and drain pipe connections. To avoid this, apply a generous, continuous bead of plumber's putty (like Oatey 311662) under the new strainer flange and ensure all new drain connections are snug, using slip-joint pliers without overtightening.