BoilerFaultCodes Condensate in boiler High
Boiler Fault Code Condensate in boiler
Also written as CONDENSATEINBOILER — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Condensate in boiler appears across 1 boiler brand and 2 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 your water temperature is set too low, which is causing damaging moisture to build up inside the unit. (As reported on Ferroli Sigma 40 FF)
Pick your boiler brand for the Condensate in boiler fix
Source
Information for the Condensate in boiler 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 7 July 2026