BoilerFaultCodes N.013 Medium
Boiler Fault Code N.013
Also written as N013 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code N.013 appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's internal sensor that measures water pressure has stopped sending a readable signal, meaning the system cannot accurately monitor its own status. (As reported on Vaillant ecoTEC Plus 836)
Pick your boiler brand for the N.013 fix
Source
Information for the N.013 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