How much does it cost to fix Alpha error code 95?

Typical repair cost for the Alpha 95 fault is £150-350 including labour.

95 High

Alpha 95 Fault Code

Q: What does the Alpha 95 fault code mean?

Your boiler is struggling to keep a steady flame, causing it to shut down because it cannot safely maintain the fire needed to heat your home.

The Alpha 95 fault code means: your boiler is struggling to keep a steady flame, causing it to shut down because it cannot safely maintain the fire needed to heat your home.. It appears on 10 Alpha models in our database.

Technical description: Flame signal discontinuous - Discontinuity is detected in the flame signal due to one of the components of the air/gas circuit

Typical repair cost £150-350 (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 95 fault code

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

Source

Alpha 95 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