While I prefer copper for most water lines, if you're ever going to add an
RO water system and use it to feed the refrigerator, plastic is a better
choice. RO water is "hungry" and will react with the copper over time and
eventually eat through the tubing.
That said, I hooked up our refrigerator with polyethylene as soon as I'd put
it back in place on new oak floors. Two days later I noticed that the
adjacent concrete floor was damp. The plastic tubing had cracked at a
fitting and dripped enough to warp the new floor.
I worked with polyethylene tubing on a daily basis for 14 years and never
saw that before.
They make stainless-braid-covered icemaker lines too, plastic on the inside,
but the longest I've seen is 10 feet.
Polyethylene, and presumably PEX as well, won't flavor the water a bit.
Karl
> Any pros or cons to copper or to the reinforced flexible pipe? Does the
> plastic stuff flavor the water? Should I worry about a leak over my
> finished basement ruining my day.
>
> Thanks.
>
> Phil Nase
> Quakertown, PA
> http://home.comcast.net/~philnasecpa
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