High
79 on Alpha E-Tec Plus

Your boiler has detected an issue with the internal component that regulates gas flow, meaning it has safely shut itself down to prevent unsafe operation.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Anomaly on the gas valve control - An anomaly on the gas valve control is detected

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

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