Hep20 Brass pipe

[speccy]

I've just plumbed in my rads with Hep2o and fixed the pipes in the wall exact for the rad.
To keep it looking right I am using the supplied nickel plated 15mm brass pipes that match valves. These are pushed into the elbows coming out the wall. To fit the rad valves.

My concern is I push the pipe in and as always check it's locked in. But I was able to pull the pipe out with some resistance without using the plastic release key. Same on both elbows.
This is a vented gravity fed system but still concerned me. Should I use compression elbows or would you proceed?

 

[terryplumb]

Chrome plated pipes are not suitable for use on push fit fittings. The Chrome is too hard for the grab rings to bite into.

 

[speccy]

Ah ok thanks so I use compression elbows?

 

[terryplumb]

Yes ,compression elbows are ok

 

[johnny2007]

Or you could use a piece of copper pipe and cover it with a chromed sleeve.
The wickes ones are cheap and can be easily cut with scissors.

 

[Madrab]

Or rub the pipe down with emery/120grit to remove the plating, grab ring should then bite in.