BoilerFaultCodes 7 13 Medium
Boiler Fault Code 7 13
Also written as 713 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 7 13 appears across 1 boiler brand and 6 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is having trouble reading the water temperature for one of the specific heating zones in your home, which may cause that part of the system to stop working correctly. (As reported on Ariston E-Combi One)
Pick your boiler brand for the 7 13 fix
Source
Information for the 7 13 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