Vokera boiler on constantly. Room stat showing unknown code. ?
wiring a nest heat link to a vokera 25 he compact ?
Ignition failure on Vokera Vision C boiler?
water drips from overflow?
how can I fix my Vokera linea 24 Combi?
Vokera Maxin 28e combi boiler, DHW runs hot and cold?
vokera boiler no heat but 2nd pipe from the left is red hot?
rads warm up when hot water turned on vokera unica 36 he?
Max pressure?
how to ignite voker pilot light?
How can I sort my thermostat. Code: 20059643?
Vokera excell boiler needs topping up every couple of days ?