E50 High
Your boiler is having trouble measuring the temperature of your hot water, which usually means it won't provide hot water to your taps.
Technical description: Domestic hot water sensor fault
Typical repair cost: £90-160 (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 E50 — no call-out fees, no surprises.
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Parts commonly replaced
- DHW NTC Thermistor
- Sensor wiring harness
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