D.64 Low
Your boiler is taking longer than expected to light the flame, which is currently an advisory warning about its operation.
Technical description: Average ignition times
Typical repair cost: £100-250 (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 D.64 — no call-out fees, no surprises.
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Parts commonly replaced
- Ignition electrode
- Ionisation probe
- Gas valve
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