Recent content by alpha981

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    Vaillant 828 - No demand for hot water registering

    forgot to say - the Divertor valve is new as is the PHE. I cannot see any issue with the divertor AND I can see it movewhen the boiler is switched on - it does nothing when a tap is turned on though. Have I set the on/off valves under the unit correctly? I have the central heating ones on...
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    Vaillant 828 - No demand for hot water registering

    Hi all, I have the above boiler. I have previously removed the plated heat exchanger with no issues to give it a periodic clean out (lots of magnetite stuck in it). This time, since putting the boiler back together it does not seem to register and request for hot water (ie opening a tap)...
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