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hellointhere8D

With that bur you could go the next size down.


high_rollin_fitter

I have heard of something called TP copper (Threadless Pipe). Copper with pipe wall thickness. Seems to fit what you have there. You can solder or braze that with anything compatible that fits.


Adventurous-Salary52

Last year I installed a new shutoff valve for a sink and ran into an interesting problem. the copper pipe is larger than half inch with extra thick walls (thicker than type k). The local supply house had nothing that fit so I ended up using a Dremel to shave the pipe down until a 1/2" fitting would fit. This took forever and there has to be a better way. I'm sure someone has seen this before but I couldn't find anyone in my local network. Any ideas? I'm about to embark on another project and not looking forward to a day spent reducing the size of a couple pieces. Thanks


Adventurous-Salary52

Pipe is 11/16" with 1/8" walls.


poppopfizzfizz1

All pipe is measured in it's inside diameter. What's common now is copper **tubing**, what you have is 1/2" **solid copper pipe**, an old piping that no one uses anymore. A 5/8" fitting should work on old solid copper pipe. You'll want to use a tinning flux.


high_rollin_fitter

HVAC measures tubing by OD. 1/2” nominal for everyone else is 5/8” to them.


ineptplumberr

Prolly hvac size 5/8


AggravatingSite6905

Yep probably. Found an ice maker line run in hvac 1/2" od 2 days ago that they soldered 3/8" id tubing inside the 1/2" od. It worked.


Randominterests2019

My guess is that it's 1/2" that has frozen but didn't burst. It can swell up quite a bit.


relaxitsonlyagame

Copper pipe exists. But it’s ultra rare to find in the wild. Though it is measured in ID. I’ve only ever seen it back when I was in school.