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Old 01-28-2011, 06:56 AM   #1
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soldering copper pipe


I cant get soder to connect pipe soder flakes off any suggestions?

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Old 01-28-2011, 07:47 AM   #2
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soldering copper pipe


I assume this is in existing plumbing, with water??? If yes, the water MUST be fully drained or you will mever get the pipe hot enough. Even a small trickle will cool the pipe, and you will end up with a "cold solder joint" that will probably leak.

Joints(both pieces) have to be cleaned thoroughly-emory paper works well, and flux applied.

Apply heat directly to the joint, touch the solder to the joint but not in the flame. When the metal is hot enough, it will melt the solder(remove heat) and suck the solder into the joint. Go all the way around the joint, wipe off excess.

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Old 01-28-2011, 07:51 AM   #3
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Originally Posted by 77naoj77 View Post
I cant get soder to connect pipe soder flakes off any suggestions?
clean both pieces being soldered really good with emery cloth, keep fingerprints off of the clean joints, apply good clean flux with flux brush. No water can be standing in joint-it must be completely dry. Heat copper really hot and let the hot copper (not the flame) melt the solder.

Just Bill-you're too quick!-(or maybe i need to learn to type with more than two fingers).

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Old 01-28-2011, 10:18 AM   #4
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soldering copper pipe


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I cant get soder to connect pipe soder flakes off any suggestions?
Ayuh,... Tell Us how you're attempting it, 'n We'll tell ya where you're going Wrong...
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Old 01-28-2011, 10:24 AM   #5
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soldering copper pipe


If you do have water in the pipe, a good ole trick is to pack bread in the piping on either side of the joint, this will allow enough time to take care of the sodering, and will flush away once the water is turned back on.

Another tip, put the heat on one side of the pipe opposite to where you are applying the soder.
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Old 01-28-2011, 10:32 AM   #6
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There are a lot of on-line tutorials on proper soldering procedures. Just search Google: "How to solder copper pipes".

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