BoilerFaultCodes 026 High
Boiler Fault Code 026
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 026 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 is failing to detect enough incoming gas pressure to operate safely and has shut itself down to prevent potential issues. (As reported on Ideal Maximiser SE)
Pick your boiler brand for the 026 fix
Source
Information for the 026 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