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Restore Water and Test for Leaks — Turn Water On and Test for Leaks

Beginner3 hours

Part of project

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

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In this video

Return to the shut-off valve and turn the water back on by rotating the handle counter-clockwise. Go back outside and inspect the new faucet connection for any drips or leaks. Once you confirm it is dry, turn the faucet handle to test the water flow. Ensure it operates correctly and does not leak when turned off.

Goal: Verify the repair

Used in this video

  • Shut-off Valve (brand: Generic, Valve Type: Gate valve)Restoring water supply to the faucet.
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This Old House

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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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this works let's do it alright so after you push it on tight it will look like this and now you have a brand new faucet installed on your property as you can see there's no leakage whatsoever you can also add two screws right here and right here if you really want to attach it to the property but in my case it is on strongly so you do not have to do it and just to prove to you guys that it works Shh I don't want to do it any further are you released a ton of water alright so there you go that is how you install a brand new faucet outside these sharkbite faucets are extremely easy to install all you have to do is cut the pipe clean it a little bit and pop it on and you're ready to go so that is a real easy method that you can use to install a brand new faucet on your rental property or at your house alright everybody if

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