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main water valve is not shutting completely

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main water valve is not shutting completely bent 02-17-2007
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Posted by Glenn on February 18, 2007, 12:55 pm
It should be a simple fix.

Go out to the water meter and shut it off there. Go back inside,
pull the leaking valve apart, put in a new washer and that Should
fix it. If the seat is roughed up, you may need a seat buffer
but I doubt it.


>I cannot picture what you did, could you expand slightly please -
>how much was your leaking?
>
> I actually have to fix 2 lines (hot and cold) at the elbows,
> including maybe 4" either side. So I need 4 cuts. I am
> thinking I I could solder up some angles beforehand and I could
> use 5/8" compression fittings on the 4 ends, but don't know with
> all this water and I don't know if I can use a spin-cutter, &/or
> dremel, &/or 4-1/2" grinding wheel, &/or hack saw blade
> considering access. At a cup in less then a minute, that could
> quickly be a mess.
>
> I have never used a compression fitting, and do not know how
> smooth, straight the ends need to be (i.e. if cut shove a rasp
> in it, done is enough), nor if I can do a good job with water
> leaking through it at the time. Is there any reason to suspect
> this doesn't always go as planned?
>
> PS more info on original problem please. I know this situation
> isn't good.
>
>
>> I recently had the same problem at my own house. 90 year old
>> shut off
>> valve wouldn't shut off. I "solved" the problem by adding a
>> valve
>> just downstream of the water meter, so I could shut the water
>> off
>> completely to my house. The water meter had a compression type
>> fitting, so it was possible to pull this off even with water
>> leaking
>> out of it. The other solution is to shut off the water to your
>> whole
>> house at the street. Your city water dept should be able to
>> help you
>> find the valve. Then you need what is called a "street key" to
>> turn
>> the valve closed (might have to have a licensed plumber to do
>> this).
>>
>>
>
>
>
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Posted by bent on February 18, 2007, 1:42 pm
The guy at HD just told me that the metal 4" Dia with the 1" square is not
the valve, or at least is not the thing to turn to shut it off. Or maybe he
was trying to tell me the valve is lower in the ground- ? you get the
picture - Besides the 2 feet of snow, and the fact I don't know where it is,
is this (the 1" square in the center) the thing to turn, and which way, and
how much?


> It should be a simple fix.
>
> Go out to the water meter and shut it off there. Go back inside, pull the
> leaking valve apart, put in a new washer and that Should fix it. If the
> seat is roughed up, you may need a seat buffer but I doubt it.



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Posted by DanG on February 18, 2007, 2:29 pm
I have read your questions and responses.
I cannot figure out what you are trying describe. Often,
residential water services have a pressure regulator before or
after the meter: here are some sample pictures:
<http://www.watts.com/pro/_products_sub.asp?catId=64&parCat=285>

There are only a few kind of valves, perhaps you can find a
picture of one as an example:

Ball valves are relatively recent (probably not what you have, but
what you should use to replace existing) these come in plastic
and brass:
<http://www.watts.com/pro/_products_sub.asp?catId=64&parCat=198>

Gate and globe valves (most likely for you to have):
<http://www.watts.com/pro/_products_sub.asp?catId=64&parCat=228>
When these get old, very often you can close them one last time,
or not quite completely, but the stem breaks and you can never
open it fully again. The only solution is replacement.

OS&Y valves:- not likely on residential

Butterfly valves - not likely on a residential installation

Your municipality should be involved and responsible for shutting
down your service ahead of the metering device. You should have
all of your repair/replace parts ready to go and they may insist
on only working with a licensed plumber. Any water usage in the
house higher than the area you are working on can continue to send
water to lower areas. It can be surprising how much water is in
the pipes of a multistory. The best solution is to open several
valves above to let the residual water out ASAP. Fairly unlikely
to be sending water backwards from the hot water tank, but it sure
won't hurt to close the isolation valve UNLESS it is an old gate
valve and you break the stem, this is not a trivial issue,
consider changing out to a ball valve while you have the system
down. It is probably safer to turn down or off the heat to
eliminate expansion
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net



> The guy at HD just told me that the metal 4" Dia with the 1"
> square is not the valve, or at least is not the thing to turn to
> shut it off. Or maybe he was trying to tell me the valve is
> lower in the ground- ? you get the picture - Besides the 2 feet
> of snow, and the fact I don't know where it is, is this (the 1"
> square in the center) the thing to turn, and which way, and how
> much?
>
>
>> It should be a simple fix.
>>
>> Go out to the water meter and shut it off there. Go back
>> inside, pull the leaking valve apart, put in a new washer and
>> that Should fix it. If the seat is roughed up, you may need a
>> seat buffer but I doubt it.
>
>
>
> ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure
> Usenet News==----
> http://www.newsfeeds.com The #1 Newsgroup Service in the World!
> 120,000+ Newsgroups
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> Encryption =----



Posted by bent on February 18, 2007, 2:45 pm
Its like these ones (not being too specific) Its about 4 inches end to end,
notin' but stem on the 3rd hex, stem, end :


> Gate and globe valves (most likely for you to have):
> <http://www.watts.com/pro/_products_sub.asp?catId=64&parCat=228>
> When these get old, very often you can close them one last time, or not
> quite completely, but the stem breaks and you can never open it fully
> again. The only solution is replacement.



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Posted by bent on February 18, 2007, 2:46 pm
And there is the matter of the (air-release thingy?) I painted over


> Its like these ones (not being too specific) Its about 4 inches end to
> end, notin' but stem on the 3rd hex, stem, end :
>
>
>> Gate and globe valves (most likely for you to have):
>> <http://www.watts.com/pro/_products_sub.asp?catId=64&parCat=228>
>> When these get old, very often you can close them one last time, or not
>> quite completely, but the stem breaks and you can never open it fully
>> again. The only solution is replacement.
>
>
>
> ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet
> News==----
> http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+
> Newsgroups
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> =----
>



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