BoilerFaultCodesIdeal Low water pressure Fault Code
Also written as LOWWATERPRESSURE — same fault.
The Ideal Low water pressure fault code means: your boiler has detected that there is not enough water in the system to operate safely, which is usually caused by a small leak or air being bled from radiators.. It appears on 15 Ideal models in our database.
Technical description: Low water pressure
DIY fix possible
Locate the filling loop (usually a silver flexible hose) under or near the boiler.Slowly open the valve or valves until you hear water flowing into the system.Watch the pressure gauge and close the valves tightly once the needle reaches 1.5 bar.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Avoid the next call-out bill
A cover plan would handle faults like Low water pressure: no call-out fees, no surprise bills.
Affiliate links. We may earn a commission at no extra cost to you.
Ideal models that show the Low water pressure fault code
Click a model for the full fault code list and model-specific repair notes.
- Atlantic Combi Repair: £80-120
- Combi I
- Concorde Repair: £0-120
- Esprit Repair: £0-120
- Icos System
- Independent Repair: £80-120
- Logic Code Combi Repair: £0-120
- Logic Code Combi ESP1
- Logic Max System 2 Repair: £0-120
- Logic+ Repair: £80-150
- Vogue Repair: £0-120
- Vogue Combi Repair: £80-120
- Vogue Max Combi Repair: £0-120
- Vogue Max System Repair: £0-120
- Vogue System Repair: £0-£120
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 7 July 2026