Medium
HIGH WATER FLOW RATE on Potterton Main Mersey Super

Your boiler is struggling because the water is moving through it too quickly for it to heat up properly.

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

See LOW WATER TEMPERATURE

Engineer required

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

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Related fault codes

LOW WATER TEMPERATUREView →

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