BoilerFaultCodes 17.6 High
Boiler Fault Code 17.6
Also written as 176 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 17.6 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 detected an issue with the electrical signal coming from the gas valve, which prevents it from igniting safely. (As reported on Ideal Sprint)
Pick your boiler brand for the 17.6 fix
Source
Information for the 17.6 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 7 July 2026