On Sat, 19 Jun 2004 12:10:27 +0100, "Colin eclipse 2"
wrote:

"Andrew Gabriel" wrote in message
...
In article ,
"Colin eclipse 2" writes:

Not so

Not every situation can be fitted with a condensing boiler due to
nuiscance
pluming (flats, etc) - so a choice will still be available (B rated).

When I fitted my Keston, I was quite looking forward to seeing
a nice large plume. It was not to be -- the plume it emits is
pretty much exactly the same size as my neighbour's non-condensing
and my parent's non-condensing boilers.

They showed us some slides of plumes at the Corgi event - quite spectacular,
floating around open windows even though the terminal was correctly sited.
The statement was made that most condensing flue outlets should be vertical
ie. roof line. Not to be fitted opposite boundary lines, etc. and due to
this it would not always be possible to fit a condensing option.



Hmmm.... It depends very much on the model and how effective the
condensate collecting arrangements are and the operating conditions.

The only time that I have noticed anything resembling a plume at all
from mine (MAN Micromat) is when I have deliberately contrived an
artificial situation of a full cylinder of cold water being heated on
a very cold day, and then it is for a very short time.
Under those conditions delivery of condensate is very rapid - a solid
trickle.
The rest of the time, there is very little difference between it and
non condensing models that neighbours have.

The sensible thing for flats that are being newly built would be to do
what is done in Germany and run the flue vertically to the roof.



..andy

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