On 14/01/2019 10:33, Andy Burns wrote:
JoeJoe wrote:

I was in that room for a few hours with the boiler running, and nothing

Can you tell if the boiler is operating within its condensing range?


Hold fire...

Just turned the boiler on again (it is not cold enough for the pipes to
freeze BTW), and I am certain that I heard the pump working!

All's well, I hope, for now.

Thanks again for taking the time.