BoilerFaultCodes E035 High
Boiler Fault Code E035
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E035 appears across 1 boiler brand and 4 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 that smoke and exhaust gases are not being cleared away safely through the flue pipe, causing it to shut down to prevent a build-up of fumes. (As reported on Vokera Pinnacle Combi)
Pick your boiler brand for the E035 fix
Source
Information for the E035 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