timer on my vokerera excell boiler does not go round, how do i fix it?
how can we fix our Vokera compact 29a lose presure ?
How can I sort my thermostat. Code: 20059643?
water drips from overflow?
vokera boiler no heat but 2nd pipe from the left is red hot?
how to ignite voker pilot light?
I have a Vokera 24 that shows error code 07. can anyone help me fix it?
how can I fix my Vokera linea 24 Combi?
heating system?
rads warm up when hot water turned on vokera unica 36 he?
Faulty vokera compact 25?
vokera boiler not 2yrs old yet , wont work?