On 03/11/18 17:50, DerbyBorn wrote:
After lots of checking a Heating Engineer has decided a mate's heating
system has a partly blocked boiler heat exchanger. Likely? 12 - 15 years
old. Has been pressure cleaned a couple of years ago.


PS pressure cleaning will not fix the potable side of the heat exchanger.

You'd have to take it out and soak it in descaler for that.

But it's easier just to shove in a new unit at that point assuming that
is cost effective.

--
Email does not work