BoilerFaultCodes No DHW temperature control Medium
Boiler Fault Code No DHW temperature control
Also written as NODHWTEMPERATURECONTROL — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code No DHW temperature control appears across 1 boiler brand and 4 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 measure how hot the domestic water is, which means your tap water may come out too cold or scaldingly hot. (As reported on Halstead Finest Gold)
Pick your boiler brand for the No DHW temperature control fix
Source
Information for the No DHW temperature control 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