Medium
H20-986 on Ideal Mini C32

Your boiler has detected trapped air inside the system, which is preventing water from circulating correctly to provide you with heating and hot water.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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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

Automatic air purger valve

Engineer required

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

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