What does the Biasi E19 fault code mean?

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

How much does it cost to fix Biasi error code E19?

Typical repair cost for the Biasi E19 fault is £90-160 including labour.

Manufacturer manual

Domestic hot water inlet probe failure (if present)

Shared across the Inovia range

This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.

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

Boiler cover options

A cover plan would handle faults like E19: no call-out fees, no surprise bills.

Approved partner

Domestic Appliance Guard

Unlimited call-outs, 24/7 helpline, no price-hike promise

Affiliate links. We may earn a commission at no extra cost to you.

Seeing a different code? Every code this model can display, in one place.

Almost always a stuck diverter valve on a combi.

Break-even maths on monthly cover.

7 signs repair isn't worth it anymore.