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

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

Water Pressure High

Boiler Fault Code Water Pressure

Also written as WATERPRESSURE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 31 August 2026

Fault code Water Pressure appears across 3 boiler brands and 10 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 heating your home or water because the amount of water inside the system has dropped below the required level. (As reported on Ideal Atlantic Combi)

Pick your boiler brand for the Water Pressure fix

Ideal Water Pressure 7 models Keston Water Pressure 2 models Saunier Duval Water Pressure 1 model

Source

Information for the Water 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 31 August 2026