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JonB... not sure what model i have as no identifcation on boiler, but site looks good so should be able to find right manual. Thanks.

Further to my last posts.. i've just turned on the heating and checked pressure and rad temperatures, and discovered i may have been a bit hasty in my original message! All radiators piping hot when first turned on, so imagine the fluctating rad temps is due to the boiler stat switching on and...

Thanks for response ChrisR. I'm not too knowledgable about this and won't pretend i am. All rads have Honeywell thermostatic valves on, which are at max setting (5). I'm confident about bleeding them, but not so sure on how to re-fill to correct pressure. Will look into it before deciding if...

Hi there... i moved into a flat earlier in the year which has a Ferolli gas combi boiler (not sure of model or age - probably >5 yrs). Hot water fine but have a few issues with CH (now its winter), and hoping someone can give advice: 1) The pressure when boiler cold is generally <1 bar (now...