E9 219 High
Your boiler has sensed that it is getting too hot and has shut down as a safety precaution to prevent damage.
Technical description: Safety sensor fault – temperature too high, sensor short circuit or open circuit
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 E9 219 — no call-out fees, no surprises.
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Parts commonly replaced
- Overheat Thermostat (Limit Switch)
- Temperature Sensor (NTC Thermistor)
- Wiring Harness
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