E10 Low
Your boiler's outside temperature sensor has developed a fault or lost its connection, which might make your heating less efficient.
Technical description: External probe 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 E10 — no call-out fees, no surprises.
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Parts commonly replaced
- External temperature sensor
- External sensor wiring
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