How much does it cost to fix boiler error code High Pressure Fault?

Typical repair cost for the boiler High Pressure Fault fault is £100-250 including labour.

High Pressure Fault High

Boiler Fault Code High Pressure Fault

Also written as HIGHPRESSUREFAULT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code High Pressure Fault 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 too much water inside, which has triggered a safety valve to release the extra pressure to prevent damage. (As reported on Baxi Bahama 80e / 105e)

Pick your boiler brand for the High Pressure Fault fix

Baxi High Pressure Fault 1 model

Source

Information for the High Pressure Fault 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