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Assess Existing Valve and Drain System

0:51
6:49
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At 0:51 in

How To Replace A Water Shut Off Valve Under A Sink

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What happens here

Before removing the old angle stop, the plumber checks its tightness and notes it was quite loose. To ensure the line is depressurized and completely drained, the hot water faucet on the sink is opened. This allows any residual water to drain out, preventing messes during the replacement.

Goal: Examine the current angle stop for looseness and open the sink's hot water faucet to drain any remaining water from the system after the main supply is off.

Tools and materials

  • Pliers

What they say

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My neighbor had bought one of these brass craft quarter turn, half inch compression by three eights, OD compression, angle stops. And that's what we put. And then before we take it off, I just want to see how many turns, oh, yeah, this actually was pretty loose. We're going to go ahead and we're going to take that off just because the angle stop is not working. I think we might just try to use this again. I think that it wasn't tightened enough. I think we can clean that up a little bit. The gasket looks good. We're going to open the hot side and get this line drained out a little bit. Open that hose bit outside. This should just drain. All right, that's definitely a little bit lower than this right here.

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