How much does it cost to fix boiler error code D1241?

Typical repair cost for the boiler D1241 fault is £120-220 including labour.

D1241 High

Boiler Fault Code D1241

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code D1241 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 lost its connection to the sensor that monitors the water returning to the unit, causing it to stop working for safety. (As reported on Worcester Bosch GB162)

Pick your boiler brand for the D1241 fix

Worcester Bosch D1241 1 model

Source

Information for the D1241 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