How much does it cost to fix boiler error code 047?

Typical repair cost for the boiler 047 fault is £150-300 including labour.

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Boiler Fault Code 047

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 047 appears across 1 boiler brand and 7 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected an issue with the airflow management system, meaning it cannot operate safely and has shut itself down to prevent damage. (As reported on Navien NCB CE)

Pick your boiler brand for the 047 fix

Navien 047 7 models

Source

Information for the 047 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026