It seems to gradually increase over time. Goes up a bit when heating on but not much. .1 or .2 bar. I suppose a more important question is what does it matter? Is there anything wrong with living at 3 bar?
There is nothing going wrong with my system, but the pressure is regularly at 2.9 to 3.1 bar.
I bled all the radiators letting the air out and the system went down to 2.6. But having come back to the house after christmas it was 2.9 again.
i read that it should be between 1 - 1.5.
So i...