How much does it cost to fix boiler error code Incorrect water temperature?

Typical repair cost for the boiler Incorrect water temperature fault is £150-300 including labour.

Incorrect water temperature High

Boiler Fault Code Incorrect water temperature

Also written as INCORRECTWATERTEMPERATURE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Incorrect water temperature 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 is struggling to control the temperature of the water, which means it cannot reliably provide hot water or heating. (As reported on Worcester Bosch WR325 RSF)

Pick your boiler brand for the Incorrect water temperature fix

Worcester Bosch Incorrect water temperature 1 model

Source

Information for the Incorrect water temperature 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