2F High
Boiler Fault Code 2F
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 2F appears across 1 boiler brand and 1 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 the water pressure inside your heating system is too low to operate safely and effectively. (As reported on Ideal Maximiser SE)
Pick your boiler brand for the 2F fix
Source
Information for the 2F 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