I Have a Ferrolli Boiler the pressure has alsways been at 1 bar so I have increased it to 2 bar. I have hot water and the radiators are heating up well but not hot enough. I have bled the radiators. Any ideas on what the problem could be?

what is is the ideal working pressure?

Jean, February 2007

your system might need flushing out with an inhibitor fernox 2000 is a very good one

n.smith, February 2007

pressure wants to be about 1.5bar max. is the stat turned up? are the rad valves open enough?

hi-spec plumbing, February 2007