How much does it cost to fix boiler error code 4931?

Typical repair cost for the boiler 4931 fault is £120-250 including labour.

4931 High

Boiler Fault Code 4931

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code 4931 appears across 1 boiler brand and 1 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 clear leftover heat after it has finished running, which is preventing it from starting up again correctly. (As reported on Vokera Maxin)

Pick your boiler brand for the 4931 fix

Vokera 4931 1 model

Source

Information for the 4931 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 7 July 2026