Medium
7 06 on Ariston E-Combi One 30

Your boiler has detected that a secondary heating circuit, such as an extension or an upstairs zone, is getting much hotter than it should be.

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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

Zone 2 overheating

Engineer required

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

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