While you wait for answers, we may have found some information which could help you.
Click here for Vokera Flowmatic Hotvokera linea 28 and when i switch it on to just hot water the radiator?
i have a vokera eclipse not working. 4.38 ?
How can I fix Vokera compact boiler?
Vokera Line 28 Boiler Temperature?
HOT WATER FLUCTUATION IN TEMP?
vokera maxin lock out? causes-remedy?