How much does it cost to fix Remeha error code E26?

Typical repair cost for the Remeha E26 fault is £180-350 including labour.

E26 High

Remeha E26 Fault Code

Q: What does the Remeha E26 fault code mean?

Your boiler has detected a safety issue with the internal mechanism that controls the gas flow, so it has purposefully locked itself out to prevent any risk.

The Remeha E26 fault code means: your boiler has detected a safety issue with the internal mechanism that controls the gas flow, so it has purposefully locked itself out to prevent any risk.. It appears on 1 Remeha model in our database.

Technical description: Internal error (gas valve relay error)

Typical repair cost £180-350 (including labour)

Engineer required

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

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Remeha models that show the E26 fault code

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

Selecta Combi Repair: £180-350

Source

Remeha E26 fault code information on this page is sourced and cross-checked against the official Remeha service / installation manuals for each affected model.

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