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> ----------------- Original message (ID=CF461C06) (42 lines)

> Barry,
> I have looked into this and as far as I have been able to
> research, DWV
> polyvinylchloride pipe is just a thinner version (Schedule
> 80) of Schedule
> 40 and therefore having a much lower pressure rating.
> Schedule 40 is rated
> for potable water in houses as is CPVC which is coded in our
> area in hot
> water applications. I would be much more concerned about the
> glues used to
> weld pipe and fittings together which actually dissolves the
> outer layer in
> order to get the permanent bond. Even copper piping, used in
> many plumbing
> applications will leach into water in measurable amounts.
> Bob Young