How much does it cost to fix boiler error code Low System Pressure light?

Typical repair cost for the boiler Low System Pressure light fault is £80-150 including labour.

Low System Pressure light High

Boiler Fault Code Low System Pressure light

Also written as LOWSYSTEMPRESSURELIGHT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Low System Pressure light 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 lost the water pressure it needs to circulate heat, so it has safely shut itself down until the system is topped back up. (As reported on Potterton Puma 100e)

Pick your boiler brand for the Low System Pressure light fix

Potterton Low System Pressure light 2 models

Source

Information for the Low System Pressure light 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