Leaking lead lock

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22 Feb 2007
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Location
Cheshire
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United Kingdom
A bit of advice please...

I've fitted a lead lock and a new internal stop tap in an old, empty shop. It was a pain because the outside stop tap doesn't work, so I had to freeze the lead pipe. The other problem was that the lead pipe only sticks out from the concrete floor/brick wall a few inches.

I got the (7lb) lead lock on and tightened it up, but it still drips. I tried some of that clear gel (LSX?) but the dripping water pushes it off.

What should I do next to stop the dripping? I know tightening too much on copper can cause its own problems, but I'm not experienced in lead.

Thanks in advance for you help. :)
 
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Stopping leadlocks from dripping comes with experience. Often they do need really 'nipping' up to get a watertight seal. I suppose the problem now is that you cant disconnect it and use some ptfe on the threads.

I now always carry a couple of Philmac transitional couplers on the van. A little bit more expensive than a leadlock but i've never had one leak.
 
Thanks undercover, I might do that for future use.

I've tightened up this lead lock quite a lot. Is there any danger in 'nipping it up' too far, as there is with copper?
 
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Yes you can overtighten them. So its a little bit at a time. If the leak seems to get worse then you are crushing the lead.

Your local waterboard should be called to replace the outside stopcock.
 
I'm sure I've put it on right.

The water board have been out, but it took a few weeks. The cheap-looking, plasticky tap they put in doesn't seem to be working and I can't really wait another few weeks for them to come and look at it.

Cheers.
 

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