F07 High
Your boiler has detected that the exhaust gases are getting too hot, which has caused the system to shut down for safety.
Technical description: High fume temperature – the exchanger probe detects an excessive temperature
Typical repair cost: £120-£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 F07 — no call-out fees, no surprises.
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Parts commonly replaced
- Heat exchanger
- Flue gas probe
- Main heat exchanger descaling
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