5P2 High
Your boiler is struggling to keep a flame lit after it has started, often due to an issue with the gas supply or a part that monitors the fire.
Technical description: All boilers
Typical repair cost: £120-350 (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 5P2 — no call-out fees, no surprises.
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Parts commonly replaced
- Flame Ionisation Probe
- Gas Valve
- Ignition Lead
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