What does the Ideal 87 fault code mean?

Your boiler is still providing hot water for taps, but the radiators are not coming on for central heating.

How much does it cost to fix Ideal error code 87?

Typical repair cost for the Ideal 87 fault is £150-£350 including labour.

Manufacturer manual

no CH but DHW ok

Shared across the Evomax 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 87: no call-out fees, no surprise bills.

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

Change the batteries first, even if the screen still works.

One cold radiator is usually a stuck valve pin or trapped air.

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