The very best solution would be to get some Ford fittings. These
will only be available at a commercial utility contractor's supply
house - no box stores, not normal plumbing stores. The fittings
are expensive but are so simple and positive they are well worth
Blue poly line and Ford fittings. These are the current materials
used by cities and utility companies. These fittings won't care
if the pipe is curved and the blue poly line is very forgiving for
lining up, etc.
Keep the whole world singing . . .
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