E83 462 Emergency

Potterton E83 462 Fault Code

Also written as E83462 — same fault.

The Potterton E83 462 fault code means: your boiler has detected an issue with the component that controls the gas flow, meaning it cannot safely ignite or maintain a flame to heat your home.. It appears on 1 Potterton model in our database.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description: Gas Valve Assembly c/w 3 off ‘O’Rings
Typical repair cost £250-450 (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 E83 462 fault code

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

Source

Potterton E83 462 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