Quote:
Originally posted by CoolROD
The nominal O.D. of 1/2" pipe is .840" -This holds for any schedule -"wall thickness" SCH 10, 40, 80, 120 etc.
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Yeah but copper is a bit different.
I found that the 1/2" fittings have an OD that's 1/16 short of 3/4", aka 11/16".
The 3/8" fittings are perfect for 1/2" tubing though.