E02-349 High

Potterton E02-349 Fault Code

Also written as E02349 — same fault.

The Potterton E02-349 fault code means: your boiler has failed to ignite because the gas supply reaching the burner is not at the correct pressure or is being blocked, preventing it from heating your home.. It appears on 1 Potterton model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Injector 4.4 - CFL/RSL90
Typical repair cost £150-250 (including labour)

Engineer required

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

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Potterton models that show the E02-349 fault code

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

Source

Potterton E02-349 fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026