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  1. J

    Ariston Boiler pressure

    Hi all Help!! I have an Ariston Microcombi 23 MFFI. My hot water and central is not working. The pressure is on zero but when i try to re-pressurise with the filing loop the water seams to by-pass the Boiler and run straight out the over flow pipe (pressure builds up and is vented out)...
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