Medium
8.13 on Chaffoteaux Britony II 50FF

Your boiler is struggling because it has detected air or built-up debris circulating inside it, causing loud banging or kettling noises.

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Heating Body Noise

DIY fix possible

Check your boiler pressure gauge to ensure it is between 1 and 1.5 barBleed all radiators in the house to release any trapped airEnsure all thermostatic radiator valves are fully open to allow water to circulate

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