How much does it cost to fix boiler error code 267?

Typical repair cost for the boiler 267 fault is £150-300 including labour.

267 High

Boiler Fault Code 267

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code 267 appears across 2 boiler brands and 5 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is struggling to ensure the air and gas mixture is correct for safe operation and has temporarily locked out to prevent any risk. (As reported on Navien NCM 1130HH)

Pick your boiler brand for the 267 fix

Navien 267 1 model Worcester Bosch 267 4 models

Source

Information for the 267 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