E 96 High
Your boiler has detected an issue with how exhaust gases are leaving the flue or a problem with the air-fuel mixture, causing it to shut down for safety.
Technical description: Flue blockage – due to chimney and combustion values – the boiler may need a calibration.
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 E 96 — no call-out fees, no surprises.
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Parts commonly replaced
- Flue seals
- Gas valve
- Electrode set
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