How much does it cost to fix Ideal error code 1 to 24?

Typical repair cost for the Ideal 1 to 24 fault is £150-350 including labour.

1 to 24 High

Ideal 1 to 24 Fault Code

Q: What does the Ideal 1 to 24 fault code mean?

Your boiler has detected a general internal fault that requires a specialist to correctly identify and resolve.

Also written as 1TO24 — same fault.

The Ideal 1 to 24 fault code means: your boiler has detected a general internal fault that requires a specialist to correctly identify and resolve.. It appears on 2 Ideal models in our database.

Technical description: Fault codes numbered 1 to 24 are displayed where applicable. In this event contact Caradon Plumbing Limited.

Typical repair cost £150-350 (including labour)

Engineer required

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

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Ideal models that show the 1 to 24 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ideal 1 to 24 fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026