How much does it cost to fix boiler error code Low system pressure?

Typical repair cost for the boiler Low system pressure fault is £0-120 including labour.

Low system pressure High

Boiler Fault Code Low system pressure

Also written as LOWSYSTEMPRESSURE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Low system pressure appears across 3 boiler brands and 6 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 the water level inside the system has dropped too low and needs topping up. (As reported on Ideal Response)

Pick your boiler brand for the Low system pressure fix

Ferroli Low system pressure 3 models Ideal Low system pressure 1 model Potterton Low system pressure 2 models

Source

Information for the Low system 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