BoilerFaultCodes 19.0 High
Boiler Fault Code 19.0
Also written as 190 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 19.0 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 sensor that monitors the temperature of the water inside the unit, causing it to stop operating for safety reasons. (As reported on Ideal Sprint)
Pick your boiler brand for the 19.0 fix
Source
Information for the 19.0 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