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Mend Vaillant Home Heating Systems

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Mend Vaillant Short Time Hot

How can I fix Vaillant combi-boiler?

The pilotlight works, and comes on for the heating. It starts to work for a short time on the hot water, then stops. The boiler does not seem to fire, when the hot tap is turned on.

I could do with a bath!

David Davies
August 2009
VaillantHeating, Home Heating SystemsShort Time Hot
sounds like you need a new diapgragm or flow sensor sepending on the model

Ian
August 2009
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