I set mine at 22C, but even if I set it at 30 it would still run at 16! The thermostat is only 2 years old, and it's seemingly broke! There laso seems to be a massive airlock in the system as a couple of radiators are full of water, yet cold. The boiler's due for servicing this month, so I'll get the plumber to have a good go at it. Apart from a sticking radiator thermostat it was ok last year.

Got a multifuel stove in the living room - Hunter Herald 4 - so that's chucking out 4-6kw when it's cranked up.

Andrea