How to mend ... Vokera Compact 28

Max pressure?

Vokera excell boiler needs topping up every couple of days ?

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

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Max pressure?

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water drips from overflow?

Max pressure?

vokera boiler not 2yrs old yet , wont work?

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heating system?

How can I sort my thermostat. Code: 20059643?

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I have a vokera 24m gas boiler ?

Boiler age?

Vokera sorry ?

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Faulty vokera compact 25?

my pressure on my boiler has gone?

Faulty vokera boiler compact 25?

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

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Error code E82?

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vokera 12-48rse?