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 Post subject: Elbow joint
PostPosted: Mon Jul 31, 2017 9:54 pm 
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Inside my garage I have a copper pipe connected to a cold water supply ,1/2 way along the pipe there is a valve that I can turn off ,beyond this, the pipe continues, to an outside tap via an elbow joint.

The elbow joint is leaking - is it simply a case of replacing the joint with a new one?

How do I do this?

I am fairly useless at DIY as you can see!

Thanks


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 Post subject: Re: Elbow joint
PostPosted: Mon Jul 31, 2017 10:04 pm 
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Can we see a photo of the elbow, with an arrow showing where you think it's leaking from if possible (or a description of where you think it's leaking from). We need to see the type of fitting please!

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 Post subject: Re: Elbow joint
PostPosted: Mon Jul 31, 2017 10:06 pm 
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A picture would really help us with the layout on this one :wink:

Edit :withstupid:

:lol: :lol: :lol:

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 Post subject: Re: Elbow joint
PostPosted: Tue Aug 01, 2017 9:55 am 
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Or a video would be equally good!


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 Post subject: Re: Elbow joint
PostPosted: Wed Aug 02, 2017 8:57 pm 
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I have taken photographs on my iPad - now I just have to work out how to get them onto this site!


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 Post subject: Re: Elbow joint
PostPosted: Tue Aug 08, 2017 8:43 am 
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I have managed to post the image!


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 Post subject: Re: Elbow joint
PostPosted: Tue Aug 08, 2017 9:19 am 
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Take water pressure out of the pipe, then undo nuts, repack with ptfe and tighten.

Or to do it properly, drain, remove joint, remove ptfe, put jointing compound around olives and re-tighten.

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 Post subject: Re: Elbow joint
PostPosted: Tue Aug 08, 2017 9:20 am 
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That is what is known as a compression fitting. There is a thin circular ring of copper, called an olive,that is slipped over the pipe and that is crimped up to form a seal when the nuts are tightened. That white tape is called PTFE tape and it is used to wrap round the olive to help seal the joint. As this is an outside supply pipe and there is no lagging present I suspect that ice formed in the winter has unseated the seal and it is causing the drip.

The easiest way for a novice repair is to replace the pipe using these copper push fit fittings see https://www.toolstation.com/search?searchstr=cuprofit. You will have to undo the nuts and the fitting will come away. The tricky bit is removing the old olives but careful sawing with a junior hacksaw will cut them enough to allow you to drift the nuts along to knock them off. Do not damage the pipe with poor sawing. Clean up the pipe with a bit of rag and push the Conex fitting well home.

Well within the capabilities of most to do :thumbright:

DWD

Edit: Just seen Dave's (a proper plumber) and on reflection I would do it his suggested way :lol:



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 Post subject: Re: Elbow joint
PostPosted: Tue Aug 08, 2017 10:07 am 
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When Dave says to repack the joints he means to put it around the olive on the pipe not the screwthreads :wink:

As above I very much doubt the fitting needs replacing just remaking :thumbleft:

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 Post subject: Re: Elbow joint
PostPosted: Tue Aug 08, 2017 11:11 pm 
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Thank you for your replies.

I am away for a few days - so have ordered the fitting - attempting next Wednesday!

I will keep you posted.

This will probably take me all day!


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 Post subject: Re: Elbow joint
PostPosted: Wed Aug 09, 2017 6:55 pm 
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Should be easy enough to remake that joint without resorting to push fit.

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 Post subject: Re: Elbow joint
PostPosted: Fri Aug 18, 2017 12:30 am 
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My next door neighbour merely tightened the nut and this seems to have worked.


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 Post subject: Re: Elbow joint
PostPosted: Fri Aug 18, 2017 8:54 am 
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Good result, thanks for the update :thumbright:

DWD


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