BoilerFaultCodes AL41 High
Boiler Fault Code AL41
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code AL41 appears across 2 boiler brands and 5 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has stopped working because the water pressure in the system has dropped too low to operate safely. (As reported on Vokera Unica HE)
Pick your boiler brand for the AL41 fix
Source
Information for the AL41 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