How much does it cost to fix Ideal error code Water pressure?

Typical repair cost for the Ideal Water pressure fault is £0-120 including labour.

Water pressure High

Ideal Water pressure Fault Code

Q: What does the Ideal Water pressure fault code mean?

Your boiler has lost the water pressure it needs to push heat around your home, likely due to a small leak or air in the system.

Also written as WATERPRESSURE — same fault.

The Ideal Water pressure fault code means: your boiler has lost the water pressure it needs to push heat around your home, likely due to a small leak or air in the system.. It appears on 7 Ideal models in our database.

Technical description: With boiler off and system cold fill system to 1.0 bar and bleed radiators if fault continues contact an installer.

Typical repair cost £0-120 (including labour)

DIY fix possible

Locate the filling loop (the flexible silver hose) underneath or near the boilerSlowly open the valve(s) until you hear water flowing and the pressure gauge reaches 1.0 to 1.5 barClose the valve(s) tightly and reset the boiler if required

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Ideal models that show the Water pressure fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ideal Water pressure fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026