How much does it cost to fix boiler error code E39?

Typical repair cost for the boiler E39 fault is £120-280 including labour.

E39 High

Boiler Fault Code E39

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code E39 appears across 3 boiler brands and 8 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has shut down because a safety sensor has detected that it is getting too hot or that there is an issue with the gas supply pressure. (As reported on Remeha Avanta Plus)

Pick your boiler brand for the E39 fix

Johnson Starley E39 1 model Remeha E39 6 models Vokera E39 1 model

Source

Information for the E39 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