F47 High

Boiler Fault Code F47

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code F47 appears across 2 boiler brands and 14 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 it cannot detect the water pressure sensor, meaning it won't run until it knows there is enough water in the system. (As reported on ECA Confeo Premix HCH)

Pick your boiler brand for the F47 fix

Source

Information for the F47 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