1074 High

Boiler Fault Code 1074

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 1074 appears across 1 boiler brand and 9 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has lost the connection to a sensor responsible for monitoring the temperature of the water inside, causing it to stop heating your home to prevent potential damage. (As reported on Worcester Bosch Greenstar 8000 Life)

Pick your boiler brand for the 1074 fix

Source

Information for the 1074 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