And byy the time you have done it you still have air in the system and might
have well done the whole job in the first place!
I hate CH systems.
Brian

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The Sofa of Brian Gaff...

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On Wed, 22 Feb 2017 12:33:00 +0000, GMM wrote:


I know you can get extending tails, but they wouldn't stretch this far,
so the question is, what do parts I need to join the 'radiator' side of
a valve (TRV and LS) to 15mm copper tube? I'm imagining it will be
something like a 3/4 tap connector but I'd rather make sure I have the
right thing before I get up to my eyeballs in the job!


If this is the same as the one I just did then the connection to the
valve was 3/4 BSP and the tail into the radiator was 1/2" BSP,
probably tapered thread but PTFE string worked fine.

The 3/4" Nut should fit over a 22mm pipe and olive for the valve end
then a 15mm x 1/2" male connector should fit the radiator end. Then
you will need a 22mm to 15mm reducer to join the pipes.

AJH