Medium
E19 on Biasi Inovia 2020

Your boiler is having trouble measuring the temperature of the cold water coming in, which may affect how well it heats your hot water.

Book a service

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

Domestic hot water inlet probe failure (if present)

Engineer required

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

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