timer on my vokerera excell boiler does not go round, how do i fix it?
Ignition failure on Vokera Vision C boiler?
vokera boiler not 2yrs old yet , wont work?
how to ignite voker pilot light?
How can I sort my thermostat. Code: 20059643?
Faulty vokera compact 25?
rads warm up when hot water turned on vokera unica 36 he?
vokera 12-48rse?
how can we fix our Vokera compact 29a lose presure ?
Vokera mynute 35e fault code 08 what is problem?
I have a Vokera 24 that shows error code 07. can anyone help me fix it?
Boiler age?