Baxi · Duo-tec Combi
E118 boiler fault code
Duo-tec Combi
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Renting? Report it to your landlord or housing provider first. They are responsible for gas safety and boiler repairs, and the repair should not cost you.
What E118 means
E118 indicates low water pressure below 0.5 bar.
Safe check
Note the displayed code and pressure-gauge reading, then contact Baxi or a Gas Safe registered engineer.
When to contact an engineer
Contact Baxi or a Gas Safe registered engineer about the low-pressure fault.
Safety notice
A boiler fault code alone is not a gas or carbon-monoxide emergency. If you smell gas, a CO alarm sounds, anyone feels unwell, or there is an unsafe flame, leave and call 0800 111 999 from outside.
Source and provenance
- Baxi Professional error-code page · Other tab · Duo-tec Combi listing · E118 row
professional error-code table
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