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    potterton combi 80 - big leak from the automatic air vent.

    thanks for the replies time was seriously a factor so we let the british gas engineer come. He barely looked at the aav, instead he said the diverter valve needs replacing ... even though we had hot water AND c/h on call (well, we did until he disabled the boiler and marked it "at risk") ...
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    potterton combi 80 - big leak from the automatic air vent.

    hi this morning, while using the shower with the cold tap running - we need to do this during the winter until we get an inhibitor added to the cold mains, there's not enough gas supply to the boiler (another story) - we suddenly got a big water leak from the boiler (potterton combi 80)...
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