1013 Medium

Boiler Fault Code 1013

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 1013 appears across 1 boiler brand and 8 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has reached its maximum power limit while trying to heat your water, and it has stopped for a short time to prevent overheating. (As reported on Worcester Bosch Greenstar 8000 Life/Style)

Pick your boiler brand for the 1013 fix

Source

Information for the 1013 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