How much does it cost to fix Baxi error code E.04 – .04?

Typical repair cost for E.04 – .04 is £90-180 including labour.

E.04 – .04 High

Your boiler has detected an issue with the sensor that monitors exhaust gases, and it has locked the system down as a safety precaution.

Technical description: Permanent fault. Flue temperature sensor short-circuited, sensor not or badly connected, bad connection or sensor fault.

Typical repair cost: £90-180 (including labour)

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Find a Gas Safe registered engineer in your area.

A boiler cover plan would cover faults like E.04 – .04 — no call-out fees, no surprises.

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