BoilerFaultCodes 319 494 Emergency
Boiler Fault Code 319 494
Also written as 319494 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 319 494 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's viewing window is likely damaged or leaking, which means you cannot safely monitor the pilot light or burner flame. (As reported on Ideal Mexico Super CF3 40-80)
Pick your boiler brand for the 319 494 fix
Source
Information for the 319 494 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