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Project

Ensure your bucket is still positioned under the P-trap. Place the stoppers in both sink drains and fill both bowls about halfway with water. While the sinks are filling, visually inspect all your new connections. Once filled, remove both stoppers simultaneously to send a large volume of water through the new drain system, which puts the joints under pressure. As the water drains, meticulously check every connection point for any signs of moisture. Run a dry paper towel under each slip nut and joint, as this will make even the smallest drip immediately visible. If you find a leak, the most common cause is a misaligned slip washer or a nut that isn't tight enough. Try tightening the leaking nut slightly. If the leak persists, disassemble that specific joint, ensure the washer is seated flat and correctly, and then reassemble and re-tighten.

You're viewing a step from: How to Remove a Garbage Disposal and Install a Standard Sink Drain

Beginner

4 hours

2/4 Inventory

This project involves the complete removal of an existing garbage disposal unit and its associated mounting hardware and plumbing. It will be replaced with a standard basket strainer and a new PVC drain assembly, including a P-trap and connections for a double-bowl sink and a dishwasher.

Based on content fromRepairClinic.com· 662K subscribers

Frequently Asked Questions

What are the most important safety steps to take before starting this project, especially since it involves electricity and water?

Always shut off power to the disposal circuit at your electrical panel first. Then, turn off the hot and cold water supply valves located under the sink. Have a bucket and towels ready for any residual water that may be in the pipes.

The tool list seems comprehensive, but are there any additional tools that would make this beginner project easier or more efficient?

While the listed tools are sufficient, a headlamp can greatly improve visibility in the dark cabinet space under the sink. A basin wrench can also be helpful for removing stubborn or hard-to-reach nuts from the old disposal or existing drain, though pliers often suffice.

What are the most common pitfalls or mistakes beginners make when installing a new sink drain, and how can I ensure a leak-free installation?

The biggest mistake is inadequate sealing. Ensure you apply a generous, even bead of plumber's putty under the basket strainer flange for a watertight seal. Also, avoid overtightening PVC connections, as this can crack fittings; hand-tightening plus a quarter turn with pliers is usually sufficient.

Given that I'm a beginner, is the 4-hour estimated time realistic, or should I budget more time for unexpected issues?

While the project is beginner-friendly and 4 hours is a good estimate, budgeting extra time is wise, especially if dealing with older, stubborn plumbing connections or unexpected discoveries. Give yourself 5-6 hours to work without rush, allowing for potential trips to the hardware store if needed.