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Preparation and Shutting Off Water — Preparation and Safety Shutdown

Beginner

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How to Remove an Old Dishwasher · Step 1 of 6

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In this video

The first and most critical step is to prepare the area and shut off the water. Locate the hot and cold water shutoff valves, typically found beneath the sink coming out of the wall. Turn both valves clockwise until they are fully closed. To ensure the water is completely off, open both the hot and cold taps on the faucet. No water should flow out. Place a small bucket or container directly under the P-trap to catch any water that will drain out in the next step.

Goal: Isolate sink from water supply

  • If the shutoff valves are stuck, do not force them. You may need to shut off the main water supply to the house instead.

Used in this video

  • BucketCatching residual water from the P-trap and supply lines.
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Chris Notap

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FAQs

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

Before anything else, locate and shut off the electrical breaker dedicated to your dishwasher, and turn off the hot water supply valve, usually found under the sink. Verify both are off before touching any wires or hoses to prevent electric shock or water damage.

What specific tools from the list are absolutely essential for a beginner, and are there common alternatives?

You definitely need a Phillips head screwdriver, an adjustable wrench, and a bucket for drips. While specialized tools can help, these three will handle most disconnections. Ensure your screwdriver fits snugly and your wrench isn't stripped.

How difficult is this project for someone with no prior plumbing experience, and how long should it realistically take?

This is considered a beginner-friendly project, primarily involving disconnection. For a first-timer, plan for 1.5 to 2.5 hours, allowing extra time for identifying connections, stubborn fasteners, and safely managing any water spills.

I'm concerned about water leaking everywhere when I disconnect the hoses. How much water should I expect, and how do I minimize the mess?

Expect some residual water (1-2 cups) from the supply line and the dishwasher's sump. Place towels and a bucket directly under the connections before loosening them. Work quickly and have extra absorbent towels, like the WYPALL L40, ready.

Transcript
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Okay, so before you get started here, we want to make sure that we shut the water off to the taps underneath the sink. And then we also want to make sure that we have a little bucket to carry the water that's going to come off from the p-trap. Let's get into this and let me show you how that's done. All right, so here are the two shut-offs. We'll shut these right off for them. And then what I like to do is just to confirm that the water is off. I will open the taps and make sure that there's no water coming out of the taps. We are good. All right, so now that we

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