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Old 07-31-2009, 08:19 AM   #1
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main water supply valve leaking


The main water supply valve is leaking. It is where water comes from the city. If it is turned on, it leaks. Can I change the valve my self? Or it is the city's respossibility? Thanks for your input.

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Old 07-31-2009, 08:26 AM   #2
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main water supply valve leaking


what type of valve? where is it leaking ? is it the packing ? brass copper steal lead ?

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Old 07-31-2009, 08:31 AM   #3
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main water supply valve leaking


The valve is the old type where the handle is a round one and you have to turn a lot of rounds to turn it on or off. I would guess that the valve is brass. The water supply pipe is galvanize I believe.

The leak, i believe, is from the middle axle, which turns with the handle.
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Old 07-31-2009, 09:34 AM   #4
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main water supply valve leaking


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The leak, i believe, is from the middle axle, which turns with the handle.
Turn off the water at the street, open all faucets above this valve, disassemble the valve, wait for all the piping water to drain out into a large bucket and replace the valve stem packing.
While you're at it, replace the 1" diameter washer and make sure the washer seat is not damaged.

Last edited by Yoyizit; 07-31-2009 at 09:50 AM.
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Old 07-31-2009, 09:45 AM   #5
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main water supply valve leaking


You might just be able to tighten the packing nut. There should be a hex nut surrounding where the "axle" goes into the body of the valve. Is the leak coming from that nut? If so, you can most likely just snug that a little tighter.
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Old 07-31-2009, 10:21 AM   #6
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main water supply valve leaking


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Originally Posted by Yoyizit View Post
Turn off the water at the street, open all faucets above this valve, disassemble the valve, wait for all the piping water to drain out into a large bucket and replace the valve stem packing.
While you're at it, replace the 1" diameter washer and make sure the washer seat is not damaged.
How to turn off the water from the street? Should I contact the city for that?
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Old 07-31-2009, 10:30 AM   #7
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main water supply valve leaking


It is best to have the City do the turn off. If the valve breaks, even if it isn't your fault, you pay for the repair.
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Old 07-31-2009, 11:49 AM   #8
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main water supply valve leaking


you have a gate valve .it sounds like the packing ,open valve all the way the back off slightly the tighten the nut that holds the stem .
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Old 07-31-2009, 11:59 AM   #9
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main water supply valve leaking


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How to turn off the water from the street? Should I contact the city for that?
At my house there is a 1' dia. round plate flush with the ground secured by a 5-sided nut. Turn the nut one turn with pliers and it releases the plate. Don't drop the plate into the opening.
An arm's length under this plate is the meter and a valve with no handle, just a rectangular raised area. Turn this valve 1/4th turn CW with pliers or a Vice-Grip. Don't break the valve or the meter.

I hate waiting for utilities to show up at my house and when I was losing one gallon in 3 minutes due to a pinhole leak I had to get access to the meter.

http://www.flowmeterdirectory.com/im...ater_meter.gif

Last edited by Yoyizit; 07-31-2009 at 12:01 PM.
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Old 07-31-2009, 04:21 PM   #10
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main water supply valve leaking


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How to turn off the water from the street? Should I contact the city for that?
You can buy a key at a big box retailer. I've seen them at Ace Hardware...~$9.99.

Personally for me, I would try to tighten the packing nut.

If that doesn't work, I would call a plumber.

I would not mess with trying to solder a water main valve onto the feed into the house.
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Old 07-31-2009, 06:27 PM   #11
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main water supply valve leaking


I am confused where is it leaking from the valve? or the pipe ?or the meter ? show a picture . you said a pin leak ? the threads to the gate valve ?

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