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Mend Valliant ecotec plus 831 Home Heating Systems

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Mend Valliant ecotec plus 831 Heating Fault Pressure

another with a Valliant showing F22 and 0.4 bar fault?

The Valliant ecotec plus 831 shows fault F22 and pressure 0.4 after a rather frosty night. Tried switching it off and back on to no effect. Is there an intervention or do I wait till spring brings a thaw?

Philip Taylor
December 2013
ValliantValliant ecotec plus 831Heating, Home Heating SystemsHeating Fault Pressure
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December 2013

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