Medium
169-033 on Ideal Mini S15

There is a minor leak from a seal within the boiler's internal plumbing which needs to be tightened or replaced to stop water dripping inside the unit.

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

3/4” flat gasket

Engineer required

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

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