Emergency
78 on Alpha Intec2 25 28XE

Your boiler has detected an internal issue with the component that regulates your gas supply, meaning it has safely shut down to prevent improper operation.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

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

Engineer required

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

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