1F High
Your boiler has stopped working because the burner isn't lighting correctly, likely due to a problem with the internal airflow or the ignition system.
Technical description: Burner blocked
Typical repair cost: £150-450 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Protect yourself from future repair bills
A boiler cover plan would cover faults like 1F — no call-out fees, no surprises.
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Parts commonly replaced
- Ionisation electrode
- Ignition lead
- Gas valve
- Fan assembly
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