I have a combi 80 boiler and it can be really noisey when on, has low pressure and cannot always get continues hot water out of the taps. just wondering if there was any advice about how to sort this?
when off there is no pressure showing on the gauge, tried filling loop. hot water takes ages to come through
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Check the boiler water pressure which should be between 1 and 1.5. No hot water could be a faulty DHW valve no opening. (Domestic Hot Water) . Check that the boiler pump is still operating okay.
don’t buy a cheap boiler from B & Q you will end up pay more on repair.
if you want to buy a boiler. buy good boiler. it will save you in the long run