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When the boiler is off (HW&CH) the water pressure reads 1bar, when it's in full flow it reaches 2. Having read the servicing instructions it should be 1.5 bar - is this when not in use or when in full flow? Not all rads are heating up so I'm wandering whether I need to add some water to the...

I have had problems heating my radiators. Have tried most things without any luck until I read somewhere that I may have problems with my pump i.e. explaining the reason why rads furthest away do not heat up. I checked the setting on the circulating pump and switched this from 2 to 3. Seems to...