BoilerFaultCodes 29 High
Boiler Fault Code 29
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 29 appears across 16 boiler brands and 81 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's internal control board cannot safely communicate with the gas valve, preventing the system from igniting for your heating and hot water. (As reported on Intergas Compact HRE OV)
Pick your boiler brand for the 29 fix
Alpha 29 24 models Atmos 29 4 models Baxi 29 7 models Chaffoteaux 29 5 models Daikin 29 2 models Gledhill 29 1 model Glow-worm 29 1 model Grant 29 1 model Ideal 29 4 models Intergas 29 11 models Main 29 3 models Potterton 29 6 models Remeha 29 2 models Sime 29 3 models Vokera 29 5 models Worcester Bosch 29 2 models
Source
Information for the 29 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