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Old 10-07-2015, 04:41 PM   #1
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Water Supply Line Leak


Hi!

I have water leaking where the supply line comes into the house, right below a valve that turns the water supply on and off. I've attached a picture.

Can someone explain what I need to do to fix the leak? (I have no plumbing experience.) I really appreciate any advice offered.

Thank you!
Sean
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Old 10-07-2015, 05:01 PM   #2
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#1, That's an old gate valve that's likely not to shut off anyway if you ever needed it to.
#2, Sure looks like someone used a galvinized coupling or bell reducer and god knows what for a nipple to connect the two together.
What type pipe is the incoming supply line? Copper, steel?
To different metal will react and corrode.
Who to call, I'd start with the water company, likely there going to claim it's your resposabilty because it's on your property, but worth a shot.
Any licenced plumber can fix this.
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Old 10-07-2015, 05:06 PM   #3
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if you have no experience as you say...please call your local plumber..
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Old 10-07-2015, 05:20 PM   #4
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The valve connected to the blue knob does shut off the water.

All of the hardware in the pic was there when we bought the house 2.5 years ago. I'm not sure what type of pipe is there.

This month, we had to unexpectedly purchase a new hot water heater AND a new range/oven, so I was hoping this would be something I could fix myself, inexpensively. So there isn't some sort of sealant I could put all around the pipe threads to stop the leak?
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Old 10-07-2015, 05:26 PM   #5
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Quote:
Originally Posted by seanTX View Post
The valve connected to the blue knob does shut off the water.

All of the hardware in the pic was there when we bought the house 2.5 years ago. I'm not sure what type of pipe is there.

This month, we had to unexpectedly purchase a new hot water heater AND a new range/oven, so I was hoping this would be something I could fix myself, inexpensively. So there isn't some sort of sealant I could put all around the pipe threads to stop the leak?
...... no.... sorry
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Old 10-07-2015, 05:30 PM   #6
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Not going to happen!
Put two different metals in contact and corrosion is going to take out the weakest point which is the threads in that nipple.
All gate valves are going to fail at some point.
The shaft on the gate brakes off, stems leak, trash gets in the grove where the gate closes.
I stopped using them 20 years ago.
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Old 10-07-2015, 05:35 PM   #7
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Could you take a picture from further back? Is the white pipe coming from the city ?

Above the valve is copper--does that feed the house?

As to a magic putty--no--those fitting will need to be unscrewed and redone--the valve is old and should be replaced at the same time, using a modern ball valve.

If that is the main feed from the city--they will need to turn off the water at the street before the pipes can be worked on.

I realize you have money trouble this week---the work is not that complicated--but your lack of experience could turn a simple job into an emergency service call--

So do not attempt this without some back up money ,just in case you need to call in a plumber.
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Old 10-07-2015, 06:42 PM   #8
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As bad as I hate to say it and from what is pictured of insulation and what may possibly be heat cable this could be a professional plumbing job because of frozen pipe in the history of this leak. We sure hope not though.
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Old 10-07-2015, 07:37 PM   #9
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Thank you all for the advice! I'll call a plumber <sigh>.

oh'mike, to answer your questions, yes, the white pipe is coming in from the water utility, and yes, the copper pipe above is going in to the house.
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Old 10-07-2015, 08:29 PM   #10
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If you decide to give this a try, come back---
If you do get in the plumber---you might want to watch him so you get some idea of how this would be done.

Remember--a true pro makes everything look so simple............
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