How much does it cost to fix Heatline error code Central Heating NTC fault?

Typical repair cost for the Heatline Central Heating NTC fault fault is £90-160 including labour.

Central Heating NTC fault High

Heatline Central Heating NTC fault Fault Code

Q: What does the Heatline Central Heating NTC fault fault code mean?

Your boiler's temperature sensor for the heating system has stopped working correctly, meaning the unit cannot accurately measure how hot the water is.

Also written as CENTRALHEATINGNTCFAULT — same fault.

The Heatline Central Heating NTC fault fault code means: your boiler's temperature sensor for the heating system has stopped working correctly, meaning the unit cannot accurately measure how hot the water is.. It appears on 2 Heatline models in our database.

Technical description: Central Heating LED flashing. Check or replace Central Heating NTC. 10-12 kohms @ 20 ºC.

Typical repair cost £90-160 (including labour)

Engineer required

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

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Heatline models that show the Central Heating NTC fault fault code

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

Source

Heatline Central Heating NTC fault fault code information on this page is sourced and cross-checked against the official Heatline service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026