How to mend ... Vokera Linea 28

How can I sort my thermostat. Code: 20059643?

Faulty vokera boiler compact 25?

vokera boiler no heat but 2nd pipe from the left is red hot?

Vokera Maxin 28e combi boiler, DHW runs hot and cold?

Vokera boiler on constantly. Room stat showing unknown code. ?

Vokera mynute 35e fault code 08 what is problem?

water drips from overflow?

Max pressure?

Faulty vokera compact 25?

Max pressure?

how to ignite voker pilot light?

Vokera excell boiler needs topping up every couple of days ?

my pressure on my boiler has gone?

wiring a nest heat link to a vokera 25 he compact ?

heating system?

Boiler age?

Vokera sorry ?

I have a Vokera 24 that shows error code 07. can anyone help me fix it?

Vokera mynute 28se?

rads warm up when hot water turned on vokera unica 36 he?

no hot water/heating?

I have a vokera 24m gas boiler ?

vokera 12-48rse?

Error code E82?

Ignition failure on Vokera Vision C boiler?

Max pressure?

how can we fix our Vokera compact 29a lose presure ?

how can I fix my Vokera linea 24 Combi?

vokera boiler not 2yrs old yet , wont work?

timer on my vokerera excell boiler does not go round, how do i fix it?