E2 222 High
Your boiler has detected an electrical fault with the internal sensor that monitors water temperature, causing the system to shut down for safety.
Technical description: Flow sensor short circuit error
Typical repair cost: £120-£220 (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 E2 222 — no call-out fees, no surprises.
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Parts commonly replaced
- Flow Temperature NTC Sensor
- Connecting Wiring Harness
- Main PCB
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