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Restore Water and Check Connections

4:30
6:49
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At 4:30 in

How To Replace A Water Shut Off Valve Under A Sink

What happens here

Return to the main water meter and turn the main water supply back on. Once water pressure is restored, slowly open the hot water faucet in the sink to allow air to escape from the pipes. Carefully inspect all plumbing connections, including the newly installed angle stop and any existing ones, for signs of leaks. The plumber discovers the other angle stop (which was not replaced) was also 'crazy loose' and tightens it with pliers, highlighting the importance of checking all related connections.

Goal: Turn the main water supply back on, then slowly open the sink's hot water faucet to release air. Finally, check all connections for leaks and tighten any loose fittings.

Tools and materials

  • Pliers
  • Wrench/Meter Key

What they say

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And I'll just have Gill go turn the water back on. We're gonna hook this up. This gasket looks to be like it's in good shape, like really all the way around. It'll accept there's a little bit of what appears to be maybe some paint on it. Just try to get that off of there. Yeah, that's not nothing. I don't think we're gonna have to change anything. That washer looks really good. I think we put it back together and we give it a shot. So now I feel like this is actually tightened up nice and snug. You can feel when something is as tight as it should be. You don't wanna crank this. You probably don't wanna go more than a full turn in a quarter. Before we open the angle stop, we're gonna open the hot side. Slowly open the hot side angle stop. And we've got full pressure here, okay? Yeah, I actually think that looks really good. I don't think there's gonna be an issue at all there. Do a couple of things here. One, I'm gonna give this one a little tighten because I don't trust it. It doesn't look like it's barely on any threads. Yeah, see that's crazy loose too. That is crazy loose over there. This thing, it was barely on.

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