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

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

Low water pressure High

Ideal Low water pressure Fault Code

Q: What does the Ideal Low water pressure fault code mean?

Your boiler has detected that the water level inside the system is too low to operate safely, which is usually caused by a small leak or air being bled from radiators.

Also written as LOWWATERPRESSURE — same fault.

The Ideal Low water pressure fault code means: your boiler has detected that the water level inside the system is too low to operate safely, which is usually caused by a small leak or air being bled from radiators.. It appears on 7 Ideal models in our database.

Technical description: Low water pressure

Typical repair cost £0-120 (including labour)

DIY fix possible

Locate the filling loop (usually two silver braided hoses under the boiler).Open the small taps on the filling loop until you hear water flowing.Watch the pressure gauge until it reaches 1.5 bar, then close the taps tightly.

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Ideal models that show the Low water pressure fault code

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

Source

Ideal Low 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