On 03/03/2018 18:46, Andrew wrote:
On 03/03/2018 13:09, dennis@home wrote:
My balanced flu, non condensing boiler didn't ice up.

If it really was balanced and not fan flued, then it
will have not have been very efficient.

It was very effective though.
As it was 35 years ago and lasted for 32 years I think it was a good buy.