BoilerFaultCodes 2957 V High
Boiler Fault Code 2957 V
Also written as 2957V — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 2957 V 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's computer has detected a change in how the internal water system is set up, which usually happens during a service or after a part has been replaced. (As reported on Worcester Bosch Greenstar 2000)
Pick your boiler brand for the 2957 V fix
Source
Information for the 2957 V 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