Medium
E27 on Ariston Egis 24 MFFI

Your boiler has detected an issue with the internal water tank or its temperature sensor, which may limit your access to hot water.

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Tank fault warning

Engineer required

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

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