How much does it cost to fix Baxi error code Section E?

Typical repair cost for the Baxi Section E fault is £90-£220 including labour.

Section E High

Baxi Section E Fault Code

Q: What does the Baxi Section E fault code mean?

Your boiler has detected an issue with how it extracts exhaust fumes, often caused by a blocked pipe or a sensor problem, and has shut down as a safety precaution.

Also written as SECTIONE — same fault.

The Baxi Section E fault code means: your boiler has detected an issue with how it extracts exhaust fumes, often caused by a blocked pipe or a sensor problem, and has shut down as a safety precaution.. It appears on 2 Baxi models in our database.

Technical description: Air pressure switch fault: blockage of pressure tubes, restriction in flue, or venturi issue

Typical repair cost £90-£220 (including labour)

Engineer required

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

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Baxi models that show the Section E fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Baxi Section E fault code information on this page is sourced and cross-checked against the official Baxi service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026