Medium
8.13 on Chaffoteaux Britony II 30FF

Your boiler is likely making an unusual sound because the water isn't flowing through it correctly, often due to a buildup of debris or trapped air.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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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 that your system pressure is between 1.0 and 1.5 barBleed your radiators to remove any trapped airEnsure all radiator valves and internal bypass valves are fully open

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Related fault codes

8.11View →8.12View →8.14View →

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