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OD of a 1/2" 3/8" or 3/4" copper pipe?
I'm going to try & replace my water softener. I'd like to try & figure out what size pipe is coming out of the wall going into the unit before I shut off the water, take it apart & then have to make a trip(s) back to the store. I "think it has a 1/2" copper pipe going into the unit BUT that seems kind of small for a house.
Is there a way to measure the OD to help me figure this out?
Thanks John
Jim thanks for your answer. I know copper pipe is ID not OD BUT can I measure the OD to calculate the ID. It is a solid copper pipe coming from the wall.
Also I changed out a hose bib & it was 1/2".Again 1/2" seems kind of small for a house?
2 Answers
- Anonymous7 years agoFavorite Answer
1/2 solid copper will be 5/8 outside
3/4 solid copper will be 7/8 outside
its unlikely you have 3/8 pipe feeding anything other than the dishwasher from under the kitchen sink
- Jim WLv 77 years ago
Copper pipe is measured by the inside diameter and is a straight piece. Copper tubing is measured on the outside diameter and is usually a soft (annealed) material that can be bent or formed around corners. The 2 types are not the same and they use different fittings. Take a picture of the material and measure the outside of the copper. An experienced pipe fitter can tell by looking at the material.
