I have a 2 year old 42cdi located in my garage which has been fine up to now.
my wife pointed out recently that there is a continuous humming noise coming from it even when not heating.
I tried switching eco off and on but no change
when I switched it on to summer mode recently it goes away
i...
Just joined this site seems very informative and a good source of trade information and advice.
looking forward to using it.
based in south birminghman.