Advice

Boiler display showing an F28 fault code, R.K Plumbing & Heating guide to F28 and F75 faults in Brighton

Vaillant F28 and F75 fault codes: what they mean and what to do

Vaillant boiler showing F28 or F75? Find out what each fault code means, the safe checks you can do yourself and when to call a Gas Safe engineer.

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