How much does it cost to fix boiler error code DHW NTC fault?

Typical repair cost for the boiler DHW NTC fault fault is £120-200 including labour.

DHW NTC fault Medium

Boiler Fault Code DHW NTC fault

Also written as DHWNTCFAULT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code DHW NTC fault 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 accurately detect the temperature of the water being heated for your taps, which means it may fail to provide hot water or heat it to the wrong temperature. (As reported on Vokera Compact HE)

Pick your boiler brand for the DHW NTC fault fix

Vokera DHW NTC fault 1 model

Source

Information for the DHW NTC fault 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