Plumbing query, pipe size for radiators 8.10 or 15mm?

Soldato
Joined
18 Oct 2002
Posts
7,700
Location
"Sunny" Plymouth
Looking at fitting a few radiators around the flat, i've seen some systems are now using the smaller 8 and 10 mm microbore tubing. I've used it before to make up some heat exchangers and it's great to work with, very easy to form and cut, but i've never used it for radiators.

Is there anything i should watch out for if i use 8 or 10mm pipework? (different pump, etc?) I'd love to use the microbore stuff if posible as it's MASSES cheaper than 15 tube (20m of 8mm is £18, 3m of 15mm is £7 :eek: )

Cheers
 
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