In article ,
John Rumm wrote:
How big & intrusive is the plume from a condensing boiler? I've never
seen one in action.

Worst case would be about as bad as a kettle boiling.

Some kettle. My brother's one is badly sited and on some days in the NE of
Scotland it completely blocks out the view from the kitchen window...

--
*Cover me. I'm changing lanes.

Dave Plowman London SW
To e-mail, change noise into sound.