In message , "Dave Plowman (News)"
writes
In article ,
timegoesby wrote:
Look at IMMs recent overview of combis, he is the expert on this group
for this sort of stuff. His post is excellent.

While you're entitled to your view, there are far more authoritative
sources available on here than IMM. People who actually install and use
these things in anger - not just quote makers' best scenario claims as IMM
does, while never giving the downside.

I'm not an expert in heating, but a fair expert in sorting out the wheat
from the chaff in reading newsgroups. And IMM is mainly chaff.

When it's not cha cha chaf

--
geoff