How much does it cost to fix boiler error code Pressure Gauge 3 or greater?

Typical repair cost for the boiler Pressure Gauge 3 or greater fault is £100-250 including labour.

Pressure Gauge 3 or greater Emergency

Boiler Fault Code Pressure Gauge 3 or greater

Also written as PRESSUREGAUGE3ORGREATER — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Pressure Gauge 3 or greater appears across 2 boiler brands and 3 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 it, causing the pressure to reach a dangerously high level where the safety valve must release water. (As reported on Potterton Performa 24 Eco HE)

Pick your boiler brand for the Pressure Gauge 3 or greater fix

Baxi Pressure Gauge 3 or greater 2 models Potterton Pressure Gauge 3 or greater 1 model

Source

Information for the Pressure Gauge 3 or greater 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