How much does it cost to fix boiler error code Significant loss in pressure?

Typical repair cost for the boiler Significant loss in pressure fault is £80-150 including labour.

Significant loss in pressure High

Boiler Fault Code Significant loss in pressure

Also written as SIGNIFICANTLOSSINPRESSURE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Significant loss in pressure appears across 1 boiler brand 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 stopped working because there is not enough water inside the system to operate safely. (As reported on Heatline Capriz 28)

Pick your boiler brand for the Significant loss in pressure fix

Heatline Significant loss in pressure 2 models

Source

Information for the Significant loss in pressure 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