Skip to main content
Stesso
Project

Disconnect Plumbing — Disconnect Power and Water Supply

Beginner3 hours

Part of project

New Garbage Disposal Installation: A Step-by-Step DIY Guide · Step 1 of 4

Helpful?

In this video

Begin by shutting off the hot and cold water supply using the shutoff valves located under the sink. Once the water is off, disconnect the drain line by loosening the compression nuts on the P-trap. Place a bucket underneath to catch any residual water.

Goal: Bathroom Sink Removal

  • Have a small bucket or towel ready to catch any water remaining in the drain trap.

Used in this video

  • Bucket — Catching residual water from the drain trap.
144.6K views9795-10 minutes
Apartment Maintenance Pro

57K subscribers

View Channel

FAQs

What critical safety precautions should I take before starting the garbage disposal installation?

Always begin by turning off the power to the disposal circuit at your home's breaker panel and shutting off the cold water supply valve under the sink. This prevents accidental electrical shock or water leaks during the process. Place a bucket under the P-trap to catch any residual water when disconnecting pipes.

Beyond pliers, what other tools or materials are absolutely essential for a successful new garbage disposal installation?

You'll likely need a wrench, possibly an Allen wrench (often provided with new disposals for mounting bolts), and a screwdriver. Don't forget plumber's putty for sealing the sink flange and a reliable bucket to manage water during disconnection.

After installation, I notice a leak around the connections. What are the most common causes and how can I fix them?

Leaks often stem from loose connections, an improperly seated P-trap, or insufficient plumber's putty around the sink flange. First, ensure all pipe connections are securely hand-tightened, then given a quarter turn with pliers. If the leak is at the flange, you may need to reapply plumber's putty.

As a beginner, how realistic is the 3-hour estimate, and what makes this project suitable for a DIY novice?

The 3-hour estimate is realistic for many beginners who follow instructions carefully and have basic tool familiarity. Its beginner-friendly nature comes from the clear, sequential steps and the limited number of specialized tools required. Taking your time and double-checking each step is key to staying within this timeframe.

Transcript
Hide

We've got under the vanity, you've got a hot and cold with supply coming up through the floor. You've got to shut off on each, which is great. It's perfectly plumbed. And you can see that the supply lines continue up here and then it dives into the wall and then turns and goes up to feed the faucet. What we'll do is I'll shut these valves off and I'll cut the water right here. And we also have a drain line to disconnect right here so I'm going to loosen the compression nut right here and another one up at the top. Okay. So now our drain line is disconnected but it's still not going to release that sink from

Auto-generated transcript. May contain errors.