How much does it cost to fix boiler error code Neon8?

Typical repair cost for the boiler Neon8 fault is £90-160 including labour.

Neon8 High

Boiler Fault Code Neon8

Also written as NEON8 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Neon8 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 has lost track of the water temperature and has shut down as a safety precaution. (As reported on Potterton Performa System HE)

Pick your boiler brand for the Neon8 fix

Potterton Neon8 1 model

Source

Information for the Neon8 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