timer on my vokerera excell boiler does not go round, how do i fix it?
Faulty vokera boiler compact 25?
I have a Vokera 24 that shows error code 07. can anyone help me fix it?
rads warm up when hot water turned on vokera unica 36 he?
how to ignite voker pilot light?
Ignition failure on Vokera Vision C boiler?
water drips from overflow?
vokera boiler no heat but 2nd pipe from the left is red hot?
Vokera boiler on constantly. Room stat showing unknown code. ?
How can I sort my thermostat. Code: 20059643?
I have a vokera 24m gas boiler ?
how can we fix our Vokera compact 29a lose presure ?