What does the Baxi E125 fault code mean?

Your boiler has detected an issue with the internal water pump, which means it cannot circulate water properly to provide heating or hot water.

How much does it cost to fix Baxi error code E125?

Typical repair cost for the Baxi E125 fault is £150-300 including labour.

Manufacturer manual

Pump Fault

Shared across the Platinum 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 is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Boiler cover options

A cover plan would handle faults like E125: 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.

Quarter turn on the valve, wait for water, then check the boiler pressure.

On a combi it is usually the diverter valve. On a system boiler, the motorised valve.

Almost always a stuck diverter valve on a combi.