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Posted by DerbyDad03 on October 23, 2007, 7:35 pm
> On Oct 23, 11:13 am, es...@surfbest.net wrote:
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> > I'm redoing my shower, all 1/2" copper pipes. I've done two couplers,
> > 1 elbow, and 3 threaded connectors... and they all went fine. Just
> > one other elbow had a small leak. I tried at least 10 times last
> > night and continue to have leaks. Maybe I just need to try again
> > tonight with a fresh mind, but...
>
> > One problem I've got now is that the two ends going in to the elbow
> > have solder on them. I've sanded them until smooth (they are still
> > solder color, but smooth, is that okay?) and used a new elbow, and did
> > that a couple times last night, but still no go. Is it okay to sand
> > off the old solder and keep trying this way, or do I really need to
> > start with all new pipe? It is easy to keep using new elbows, I've
> > got plenty to spare... but I can't really cut back the pipe, not
> > without adding yet another fitting (another coupler) which just seems
> > like even more work, and eventually I'll have it cut back to the slab
> > and not be able to continue.
>
> > The elbow fits well, nice and tight, just like all the others I did,
> > so I have no idea why this one connection is giving me so much
> > trouble. I did only do one other elbow though, so maybe I just got
> > lucky on that elbow. Is there anything special you need to do when
> > doing elbows? I've tried doing one end at a time, and also tried
> > heating in the middle of the elbow and running the solder around both
> > ends, one right after the other (while still hot, so they both cool/
> > harden at the same time).
>
> > I've read a lot about soldering... but, how long do you need to wait
> > before testing? The pipe seems to cool pretty fast, so I've been
> > testing within 2 to 5 minutes, is that not long enough? I kind of
> > wish I could find an elbow with about 6" of pipe on each end, so I
> > wouldn't have to worry about messing up one end while working on the
> > other.
>
> Gee it sounds like what you are doing is right, and the responses have
> been good. One more dumb question: while you are soldering, one end
> of the pipe is open to the air, right? (So pressure doesn't build up
> inside) -- H- Hide quoted text -
>
> - Show quoted text -
-- one end of the pipe is open to the air, right?
I was soldering a cap onto a pipe and I took a little too long to
apply the solder. The cap shot across the basement and melted the rug
where it landed.
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