How much does it cost to fix Ideal error code 026?

Typical repair cost for the Ideal 026 fault is £120-250 including labour.

026 High

Ideal 026 Fault Code

Q: What does the Ideal 026 fault code mean?

Your boiler is failing to detect enough incoming gas pressure to operate safely and has shut itself down to prevent potential issues.

The Ideal 026 fault code means: your boiler is failing to detect enough incoming gas pressure to operate safely and has shut itself down to prevent potential issues.. It appears on 1 Ideal model in our database.

Technical description: Minimum gas pressure

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 026 fault code

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

Maximiser SE Repair: £120-250

Source

Ideal 026 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