E080 High
Your boiler has detected that the water returning from your radiators is too hot or the temperature difference is incorrect, causing the system to shut down for safety.
Technical description: Error with return line probe – over temperature outlet or differential alarm
Typical repair cost: £120-280 (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 E080 — no call-out fees, no surprises.
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Parts commonly replaced
- Return thermistor/NTC sensor
- Circulation pump
- Main heat exchanger
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