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DerbyDad03 DerbyDad03 is offline
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Default Plumbing repair for old leaky stem valve

On Jan 18, 11:34*am, Jeff Fulcer wrote:
Had some issues and needed to turn off the water to my house. *Fixed that problem but when I turned the water back on, the stem was leaking from my valve. *I tightened the nut and that helped a lot, but didn't shut it off completely. *I'd like to repack the stem but I cannot turn the water off completely as there is sediment or corrosion in the valve and I can't turn it off completely, it still has some pressure.

I know I need to replace it (most likely will need to get city involved to shut water off outside) but for now, is there any way to repack that stem with *some* water pressure still in it? *I know when I tried to unscrew the nut, it leaked a bit more but not what I would consider 'full' pressure.. *Any thoughts?


When you say "the stem was leaking from my valve" I assume you mean
the main shutoff inside the house.

While some veteran plumbers will tell you is that you do not need to
shut off the water upsteam of the valve you want to repack, the more
cautious ones will add that you had better know where that upstream
shut off is and have your tools ready in case some thing goes terribly
wrong. I have heard of cases where the packing for the main shutoff
was replaced with only that valve shut, with nothing more than a
little leakage and other cases where the worker got a bit of a shower,
but was able to complete the job.

On the other hand, I am in the same situation that you are in, except
that I can shut off the main fully.I haven't done anything about the
apcking nut leakage because of what recently happened to a friend. The
packing nut on his main shutoff was leaking after he turned it back
on, so he grabbed a wrench to snug it up. Something broke and he ended
up with water at full street pressure shooting out of the valve body.
He was lucky enough to be able to direct the water towards a nearby
sump pump, which (lucky again) was able to keep up with the water. It
took about an hour for the town's water authority guys to show up,
find his outside shut off and stop the deluge.

I do not have a sump pump so I'm not taking any chances. The leak is
very slight and on the town's side of my indoor meter, so it's not
costing me anything. It so slight that even though I can feel water on
the bottom of the packing nut, there is never any water in the jug I
have hanging from the valve just in case.

I need to schedule a shutoff by the town so I can work on the valve
with no chance of a flood. See this thread, just for fun...

http://www.doityourself.com/forum/pl...-shutoff..html