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robbin
Premium,MVM
join:2000-09-21
Leander, TX
kudos:1
reply to Jack_in_VA

Re: Water leak under slab

said by Jack_in_VA:

There's a big difference in 1/4 (actually 1/8 id) for any distance and 3/8 (1/4 id) at the fixture itself.

That would only be true if you are talking about refrigeration tubing. Plumbing tubing is sized by ID as the chart you posted shows so 3/8" plumbing tubing has an ID of 3/8 but 3/8 refrigeration has an OD of 3/8".