22mm into 3/4"

Nov 20, 2006 5 Replies
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Grimly Curmudgeon

We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember "Jeremy Goff" You'll need to replace the fitting with a 22mm one. What is the fitting, T, Elbow, what? To avoid too much faffing around, if the existing fitting is…

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Will 22mm pipe with olive fit into a 3/4" compression fitting?



TIA Jerry


I used a 22mm yorkshire fitting on some 3/4" copper pipe the other day - If that helps!

I want to go the other way: 22mm pipe into 3/4" fitting

We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember "Jeremy Goff" saying something like:

You'll need to replace the fitting with a 22mm one. What is the fitting, T, Elbow, what?

To avoid too much faffing around, if the existing fitting is awkward, you could terminate the new 3/4" pipe short and use a straight 22mm connector - one end to the 22mm existing fitting and the 3/4" pipe into the the other side with a 3/4" nut and olive.

It *might* - but it will be tight, and you'll need a 22mm olive anyway.

A 22mm pipe is slightly (but not much) bigger than a 3/4" pipe. Going the other way is easy - you can fit a 3/4" pipe into a 22mm fitting as long as you use a special olive.

No, the 22mm is slightly larger...

(the other way round will work - h you ought to use a thicker olive in that case, but you can often get away with the standard 22mm one)

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