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Thread: Plumbing routing in crawlspace
07-20-2007, 12:38 PM #1
07-20-2007, 12:57 PM #2
Re: Plumbing routing in crawlspace
That was what is called thumb gum. It is usually used where a/c lines go into the house. It is probably used for expansion and contraction of the pipe. That copper is soft copper and not sure it is k-copper which it should be.