BoilerFaultCodes E79 High
Boiler Fault Code E79
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E79 appears across 2 boiler brands 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 is struggling to maintain its lowest flame setting, which is preventing it from running safely and efficiently. (As reported on Warmhaus Enerwa / Priwa)
Pick your boiler brand for the E79 fix
Source
Information for the E79 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