3/4" connection to 22mm copper pipe

[john90]

i need to replace a section of old imperial 3/4inch central heating pipework because of a bathroom refit, the space i need to get into is extremely tight against a wall so i wanted to use a Hep2o 22mm pushfit straight connector. Hep have just told me that i can't use a standard 22mm straight connector... I know they make an imperial/metric fitting but getting hold of one seems impossible. Any ideas or advice folks ?
Thanks

 

[EliteHeat]

You could use a 22mm compression coupling with a 3/4" olive, or, more likely when you cannot get one, use a 22mm olive bound up with some PTFE.

 

[DP]

I would be careful with 22mm olive+ PTFE. Know of customers who had floods during the night. I would choose not to do the job unless I had the correct fitting.

 

[corgiman]

I find a 22mm COPPER olive does the trick

 

[clf-gas]

If you have the room to use a push fit fitting then can you not sweat a 3/4*22mm coupling

You can easily get these

 

[Softus]

When you're desperate you can make things fit.

More than once I've run out of 3/4" olives and 'panel beaten' a 22mm copper olive down to size.

And once, when reeeely desperate, on a Sunday night, with an angry wife-of-client lurking, I helped him by beating down one end a 22mm Yorkshire coupling until it was the right diameter.

 

[doitall]

I still have an old 3/4" Monument socket former

You know the sort you smack inside the pipe with a big hammer.

 

[Softus]

I think he's just using the opportunity before Rule 23 comes into force.

<extraneous moderator comment deleted>

 

[Nige F]

WTF is rule 23.....sounds like catch22.....the scene where someone`s beating a horse in the background

 

[Nige F]

have you got a tapered mandrel and a shrinking hammer ,Softus , or is it just old age

 

[Rotunda82]

Why not just go to a merchants and ask for a 3/4 x 22mm fitting ?

 

[Nige F]

cuz the merchants shut @ 12.30 until Tuesday....so you`re left with The Sheds

 

[John_D]

used to be easy with lead solder

 

[Nige F]

good point didn`t run out like wee....as unleaded does

 

[kevplumb]