57 Low

Boiler Fault Code 57

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 57 appears across 6 boiler brands and 13 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 a problem with the sensor that manages the temperature of your hot water recirculation system, which may affect how quickly your hot water arrives at the taps. (As reported on ECA FELiS FL 50 HM)

Pick your boiler brand for the 57 fix

ECA 57 1 model Gledhill 57 1 model Glow-worm 57 2 models Johnson Starley 57 4 models Sime 57 4 models Viessmann 57 1 model

Source

Information for the 57 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