8037 High
Boiler Fault Code 8037
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 8037 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 has detected an internal issue with the component responsible for heating your hot water, which has caused it to stop working to protect the system. (As reported on Vokera Maxin)
Pick your boiler brand for the 8037 fix
Source
Information for the 8037 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