BoilerFaultCodes Neon 29 High
Boiler Fault Code Neon 29
Also written as NEON29 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Neon 29 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 stopped producing heat because it can no longer accurately read the temperature of the water circulating through your radiators. (As reported on Potterton Performa 24)
Pick your boiler brand for the Neon 29 fix
Source
Information for the Neon 29 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