I'm not a plumber, but I have to agree. There is still water in the line.
Any water in the line will make soldering very difficult if not impossible.
You may have to cut the pipe to drain the rest of the water. Then sweat in
another coupling to fix the cut.
A plumber friend told me that he used bread stuffed into a pipe to keep
water from draining to the area he was trying to solder. After the water
was turned back on the bread would dissolve without a problem.
BillG
OKC
-----Original Message-----
From: shop-talk-bounces@autox.team.net
[mailto:shop-talk-bounces@autox.team.net] On Behalf Of Steven Trovato
Sent: Sunday, January 18, 2009 8:34 PM
To: John Mitchell; Shop Talk List
Subject: Re: [Shop-talk] Sweat joint leak
I would say that the only way this can happen is if you still have
water in the line. Oxy-acetylene should be major overkill for this
job. Go back and make extra sure that the line is really drained.
-Steve Trovato
strovato@optonline.net
At 09:23 PM 1/18/2009, John Mitchell wrote:
> I have a pin hole drip in one of the solder joints in my half
> inch hot water line. I shut off the hot water, opened some valves
> and drained the line out through a spigot I have in the garage. I
> thought Id be able to heat the joint enough to get the solder to
> flow, but I can't get the joint hot enough, even with
> oxy-acetylene. Any suggestions On how I can repair this? It's a
> very tiny leak, I just happed to be looking up and saw the drop
> hanging on the joint. Thanks for any help. John Mitchell
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