How much does it cost to fix boiler error code P2?

Typical repair cost for the boiler P2 fault is £120-220 including labour.

P2 High

Boiler Fault Code P2

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code P2 appears across 4 boiler brands and 14 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's electronic control system has detected a failed safety fuse, meaning it cannot start up or provide heating and hot water until this internal electrical component is replaced. (As reported on Worcester Bosch Greenstar 25HE)

Pick your boiler brand for the P2 fix

British Gas P2 1 model Ideal P2 1 model Vaillant P2 1 model Worcester Bosch P2 11 models

Source

Information for the P2 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