BoilerFaultCodes E80 Emergency
Alpha E80 Fault Code
The Alpha E80 fault code means: your boiler has detected an internal fault with the component that controls your gas supply, meaning it has safely shut down to prevent unsafe operation.. It appears on 15 Alpha models in our database.
Technical description: Gas valve hardware fault
Typical repair cost £180-350 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Alpha models that show the E80 fault code
Click a model for the full fault code list and model-specific repair notes.
- C25 Xtraflame Repair: £200-450
- E-Tec Repair: £180-350
- E-Tec 24 Repair: £180-350
- E-Tec 28 Repair: £180-350
- E-Tec 33 Repair: £180-350
- E-Tec Plus Repair: £180-350
- E-Tec Plus 10 / 18 Repair: £220-400
- E-Tec Plus 24 Repair: £180-350
- E-Tec Plus 28 Repair: £180-350
- E-Tec Plus 33 Repair: £180-350
- E-Tec R Repair: £180-350
- H25 Xtraflame Repair: £200-450
- Intec 28GS Repair: £200-450
- Intec 40GS2 Repair: £250-450
- Intec 50CS Repair: £200-450
Source
Alpha E80 fault code information on this page is sourced and cross-checked against the official Alpha service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026