BoilerFaultCodes 213 High
Boiler Fault Code 213
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 213 appears across 1 boiler brand and 4 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 leaving the boiler is much hotter than the water returning to it, suggesting the system is struggling to circulate heat properly. (As reported on Worcester Bosch 1000)
Pick your boiler brand for the 213 fix
Source
Information for the 213 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