36 High

Boiler Fault Code 36

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 36 appears across 9 boiler brands and 37 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 a problem with how it monitors gas supply pressure, meaning it cannot safely confirm there is enough fuel to stay lit. (As reported on Ideal Maximiser SE)

Pick your boiler brand for the 36 fix

Alpha 36 11 models Atag 36 1 model Ferroli 36 3 models Glow-worm 36 1 model Halstead 36 8 models Ideal 36 3 models Remeha 36 3 models Saunier Duval 36 4 models Vokera 36 3 models

Source

Information for the 36 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