How much does it cost to fix Ideal error code 70?

Typical repair cost for the Ideal 70 fault is £120-250 including labour.

70 High

Ideal 70 Fault Code

Q: What does the Ideal 70 fault code mean?

Your boiler is failing to light the internal flame, which means it cannot produce any heat or hot water for your home.

The Ideal 70 fault code means: your boiler is failing to light the internal flame, which means it cannot produce any heat or hot water for your home.. It appears on 1 Ideal model in our database.

Technical description: FLAME ERROR

Typical repair cost £120-250 (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 70 fault code

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

Logic Max Heat 2 Repair: £120-250

Source

Ideal 70 fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.

Ideal Logic Max Heat 2 manual (PDF)

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026