BoilerFaultCodes F41 High
Boiler Fault Code F41
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F41 appears across 2 boiler brands and 9 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is continuously trying to fill itself with water automatically, which usually indicates the system cannot reach its required pressure or there is a sensor error. (As reported on ECA Confeo Premix HCH)
Pick your boiler brand for the F41 fix
Source
Information for the F41 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 31 August 2026