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home Fix label Heating label_important Home Heating Systems category Vaillant

heating?

my vaillant is showin a F 22 message on the screen,the green light is on but the heating and the water are cold..help
thanks
Pierre
pierre, February 2011
home Fix label Heating label_important Home Heating Systems category Vaillantdone
F22 relates to a lack of pressure in the boiler system, re-pressurize to 1 bar

Carefree, February 2011
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