How much does it cost to fix boiler error code 131?

Typical repair cost for the boiler 131 fault is £0-£120 including labour.

131 Low

Boiler Fault Code 131

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code 131 appears across 2 boiler brands and 2 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 new smart control or accessory and is currently struggling to communicate with it, meaning it needs help to recognize the new connection. (As reported on Worcester Bosch Greenstar CDi Compact)

Pick your boiler brand for the 131 fix

Baxi 131 1 model Worcester Bosch 131 1 model

Source

Information for the 131 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