BoilerFaultCodes 272 High
Boiler Fault Code 272
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 272 appears across 2 boiler brands and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is not detecting enough air flow to safely release exhaust gases, so it has shut itself down to prevent a hazard. (As reported on Navien NCM 1130HH)
Pick your boiler brand for the 272 fix
Source
Information for the 272 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 31 August 2026