Just curious, water in the central heating system gets heated up to 80 degrees Celsius - why doesn't it evaporate significantly?
e.g. I can check my heating system pressure after a year and its still on 1.5 bar; i.e. no noticeable drop after a year of use.
e.g. I can check my heating system pressure after a year and its still on 1.5 bar; i.e. no noticeable drop after a year of use.