underground copper pipe
Posted by Mike Bruss on March 28, 1999 at 14:13:14:
I need to run a 1 inch cold water line from the crawl space
under my house to supply a group of lawn sprinkler valve
that are a few feet from the house. There is already a trench
under the foundation. I'd like to use copper, but have
been told that soldered joints should not be buried,
and therefore, coiled copper tubing should be used.
Is this correct? Should I use type L or K? I've been
advised not to use plastic supply pipe under the house.
Can coiled copper tubing be soldered, or are flare or
compression fittings required?

Thanks, Mike

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