F28 fault showing on your Vaillant boiler and no heating or hot water? Learn what it really means, what you can safely check yourself and when to call an engineer.
F28 fault showing on your Vaillant boiler and no heating or hot water? Learn what it really means, what you can safely check yourself and when to call an engineer.
Hot water working but radiators stone cold can be confusing. Learn the simple checks you can do yourself and what your engineer will look at next.
Radiators hot but taps running cold? Learn the most common boiler faults that cause no hot water when the heating still works, and what you can safely check first.
Boiler making banging noises or whistling like a kettle? Learn what kettling means, what might be causing it, and when it needs urgent attention.
Noticing radiators cold at the bottom or staying lukewarm? Understand the likely causes, safe DIY checks and when it is best to call a heating engineer.
Boiler pressure dropping again? Learn what the gauge should read, the most common causes in UK homes, simple checks you can do, and when to stop topping up and call an expert.
