828 High

Boiler Fault Code 828

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 828 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 struggling to accurately read its own internal water pressure, which means it has safely shut down to prevent potential damage. (As reported on Worcester Bosch Greenstar CDi Compact)

Pick your boiler brand for the 828 fix

Source

Information for the 828 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