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copper pipe
When reading the post concerning red or blue copper I am glad to read that most plumbing contractors use type L copper for supply and distribution. When I built my house they used type M which would ordinarily be okay, but FYI, if you have a well you would be way ahead of the game to insist on type L (Blue Label) over time if there is any sediment in the water, it will begin to eat through the pipe within the first 5 years, especially the horizonal runs where the sediment settles during idle times. The problems start with pinholes and if not repaired promptly they quickly get worse.
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