How much does it cost to fix boiler error code E047?

Typical repair cost for the boiler E047 fault is £150-250 including labour.

E047 High

Boiler Fault Code E047

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code E047 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 is struggling to accurately measure its internal water temperature, so it has stopped working as a safety precaution. (As reported on Navien NCB CE)

Pick your boiler brand for the E047 fix

Navien E047 7 models

Source

Information for the E047 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