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home Fix label Heating label_important Home Heating Systems category Vaillant

Our vaillant boiler is showing F.22?

The boiler is swiched on but there are not heating or hot water and the bar is on 0 and it is showing F.22, how can I fix this?
Adele, May 2009
home Fix label Heating label_important Home Heating Systems category Vaillantdone
you need to locate the filling loop usually a silver metal braded hose open the taps either end of it and the pressuere will increase stop it at one bar make sure you closes both taps reset boiler and search for your leak?

xsyx, May 2009
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