We may have found other answers which could help you.
Click here for Pressure Problem Tap HeatingI have a vokera 24m gas boiler ?
Faulty vokera boiler compact 25?
Vokera Maxin 28e combi boiler, DHW runs hot and cold?
Ignition failure on Vokera Vision C boiler?
how can we fix our Vokera compact 29a lose presure ?
Vokera mynute 28se?