my boiler is risen from 1.5 bar to over 3.5 bar i have blead all the rads in the house and got the pressure down to 2.0 bar but when i put the heating on the pressue rises back to over 3.0 bar can anyone help the missus is doing my head in
I'm not entirely sure, but we had a similar experience, check your boiler top up valves are fully switched off. ours were letting by a little, causing the pressure to rise over a period of about two weeks.
