5351 High

Boiler Fault Code 5351

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 5351 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 has detected a problem with the internal part that transfers heat to your water, causing the system to shut down for safety. (As reported on Vokera Maxin)

Pick your boiler brand for the 5351 fix

Vokera 5351 1 model

Source

Information for the 5351 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