No DHW temperature control Medium

Halstead No DHW temperature control Fault Code

Also written as NODHWTEMPERATURECONTROL — same fault.

The Halstead No DHW temperature control fault code means: 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.. It appears on 1 Halstead model in our database.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description: Defective DHW sensor • Check DHW sensor • Check wires to sensor
Typical repair cost £120-200 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Halstead models that show the No DHW temperature control fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Halstead No DHW temperature control fault code information on this page is sourced and cross-checked against the official Halstead service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026