BoilerFaultCodes No code 213 Medium
Boiler Fault Code No code 213
Also written as NOCODE213 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code No code 213 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 because the water leaving the heater is much hotter than the water returning from your radiators, indicating a lack of flow through your heating system. (As reported on Worcester Bosch Greenstar 12i System)
Pick your boiler brand for the No code 213 fix
Source
Information for the No code 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