How much does it cost to fix boiler error code P13?

Typical repair cost for the boiler P13 fault is £120-250 including labour.

P13 High

Boiler Fault Code P13

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code P13 appears across 1 boiler brand and 1 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 that it is not correctly set up to run on the specific type of bottled gas you are using. (As reported on Vaillant Thermocompact)

Pick your boiler brand for the P13 fix

Vaillant P13 1 model

Source

Information for the P13 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