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How can i fix my VAILLANT BOILER?

I have no hot water or heating,there is a green light on. In temp box there is F22 showing, how do i fix it.

Jason
April 2007
VaillantHeating, Home Heating SystemsBoiler Hot Temp
check you have pressure in the boiler if you have the chances are the pump is stuck

markbb
April 2007
How do i fill my pressure gauge up, which pipe is it..

Jason.
April 2007
f22 means boiler needs water, is the pressure gauge reading below 0.7 bar. if so it needs refilling to 1.5 bar

hi-spec plumbing
April 2007

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