Re: underground copper pipe
Posted by willy on April 02, 1999 at 01:38:19:
In response to Re: underground copper pipe

: Solder joints are not allowed under a concrete slab inside a building. Underground or outside there is no problem with them. L is adequate. PVC should not be installed inside a building.

: : 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

when i do copper outside i silver solder the joints or you could use flared fittings. silver solder is much cheaper in cost and when done properly. will never leak.

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