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Disconnect Supply Lines from Valves — Disconnect the Faucet Supply Line

Beginner3 hours

Part of project

How to Replace a Leaky Angle Stop (Shutoff Valve) Under Your Sink · Step 4 of 9

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In this video

Place a bucket under the water supply connections to catch any spills. Use a pair of slip-joint pliers or an adjustable wrench to loosen the nuts that connect the braided water supply lines to the shut-off valves. Turn the nuts counter-clockwise to loosen and disconnect both the hot and cold lines.

Goal: Disconnect water lines from wall valves

Used in this video

  • Slip-joint pliers (brand: Unspecified, Pliers_Type: Slip-Joint) — Loosening the nuts on the water supply lines
  • Bucket (Container Type: Bucket) — Catching residual water from the supply lines
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FAQs

What's the single most important safety step to take before I even touch the leaky angle stop?

The most critical step is to shut off the main water supply to your home. This prevents potential flooding and ensures a safe working environment. Always confirm the water is off by testing a nearby faucet before proceeding with any work.

The project is listed as 'beginner' difficulty, but 3 hours seems long for a valve. Is it really that involved?

While replacing an angle stop is beginner-friendly, the 3-hour estimate accounts for prep work like gathering tools, draining lines, dealing with potential seized parts, and thorough leak testing. Taking your time ensures a proper, leak-free installation, so don't rush the process.

I see "Adjustable Wrench" and "Tongue and Groove Pliers" listed. Are these specific tools essential, or can I get by with a generic wrench set?

Yes, these specific tools are highly recommended. An adjustable wrench helps securely tighten the compression nut on the new valve without stripping it, while tongue and groove pliers (like Channellock) provide a strong grip for holding the valve or pipe steady. Using the correct tools prevents damage and ensures a tight, leak-free connection.

This project specifically mentions installing a "compression-style valve." Are there other types of angle stops, and why is this type recommended for a DIYer?

Yes, other types include soldered (sweat) and push-to-connect (SharkBite) valves. Compression-style valves are ideal for DIYers because they create a watertight seal by compressing a ferrule onto the pipe, requiring only basic hand tools and no specialized skills like soldering, making them relatively easy to install.

Transcript
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sure that we place the bucket under the shutoff valve and we do this because we're gonna go ahead and remove the lines that connect to it and what we're gonna do is using either some pliers or wrench is loosen the nut that holds the tubing in place and remember the ancient rule of Lefty Lucy righty tighty and in this case it doesn't matter if you do the hotline first or the code at the end both victims are gonna see the same fate now that you graduated from line removing school you're ready to show the world that your body could be bent to

Auto-generated transcript. May contain errors.