How much does it cost to fix boiler error code 241?

Typical repair cost for the boiler 241 fault is £120-220 including labour.

241 High

Boiler Fault Code 241

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code 241 appears across 2 boiler brands 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 has lost the signal from a temperature sensor that monitors the water returning to the system, causing it to shut down to prevent potential overheating. (As reported on Worcester Bosch Greenstar 12i System)

Pick your boiler brand for the 241 fix

ECA 241 1 model Worcester Bosch 241 5 models

Source

Information for the 241 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