How much does it cost to fix boiler error code 47?

Typical repair cost for the boiler 47 fault is £120-350 including labour.

47 High

Boiler Fault Code 47

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 47 appears across 6 boiler brands and 36 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has sensed that the water returning from your radiators is far too hot, causing the system to shut down to prevent damage. (As reported on Vokera Condexa Pro)

Pick your boiler brand for the 47 fix

Alpha 47 24 models Ferroli 47 3 models Grant 47 1 model Ideal 47 1 model Johnson Starley 47 6 models Vokera 47 1 model

Source

Information for the 47 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