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Disconnect Water Supply — Disconnect the Water Supply Line

Beginner

Part of project

How to Remove an Old Dishwasher · Step 3 of 6

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In this video

Begin by shutting off the hot and cold water supply using the shutoff valves located under the sink. Place a bucket underneath to catch any water. Use an adjustable wrench to carefully unscrew the nuts connecting the braided supply lines to the shutoff valves.

Goal: Prepare faucet for removal

  • It's a good idea to have a bucket and a towel ready to catch any water that drips from the supply lines after disconnection.

Used in this video

  • Adjustable Wrench (Tool Type: Adjustable Wrench, Adjustable_Wrench_Size: 8_inch, Material: Steel) — Unscrewing the supply line nuts from the shutoff valves.
  • Bucket (Container Material: Plastic) · optional — Catching residual water from the supply lines.
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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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To start, shut off the water and unscrew the supply lines from shut-off valves. It's a good idea to keep a bucket to catch any water dripping from the supply lines. Once that is done, look for the LNK set screw which locks the faucet body to the base dock.

Auto-generated transcript. May contain errors.