BoilerFaultCodes Hot water high limit stat High
Boiler Fault Code Hot water high limit stat
Also written as HOTWATERHIGHLIMITSTAT — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Hot water high limit stat appears across 1 boiler brand 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 detected that it is running much hotter than it should be and has automatically shut itself down to prevent damage. (As reported on Worcester Bosch Highflow 550 CDi)
Pick your boiler brand for the Hot water high limit stat fix
Source
Information for the Hot water high limit stat 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