How much does it cost to fix Alpha error code E09?

Typical repair cost for the Alpha E09 fault is £150-250 including labour.

E09 Emergency

Alpha E09 Fault Code

Q: What does the Alpha E09 fault code mean?

Your boiler has lost its connection to the component that controls gas flow, meaning it cannot ignite safely and has shut down to protect your home.

The Alpha E09 fault code means: your boiler has lost its connection to the component that controls gas flow, meaning it cannot ignite safely and has shut down to protect your home.. It appears on 10 Alpha models in our database.

Technical description: Gas valve connection anomaly

Typical repair cost £150-250 (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 E09 fault code

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

C25 Xtraflame Repair: £150-250
E-Tec
E-Tec 24
E-Tec 28
E-Tec 33
E-Tec R Repair: £80-150
H25 Xtraflame Repair: £150-250
Intec 28GS Repair: £150-250
Intec 40GS2 Repair: £150-250
Intec 50CS Repair: £150-250

Source

Alpha E09 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