How much does it cost to fix Grant error code 41?

Typical repair cost for the Grant 41 fault is £150-300 including labour.

41 High

Grant 41 Fault Code

Q: What does the Grant 41 fault code mean?

Your boiler is struggling to get the wood pellets to catch fire, so it is currently pausing its startup process.

The Grant 41 fault code means: your boiler is struggling to get the wood pellets to catch fire, so it is currently pausing its startup process.. It appears on 1 Grant model in our database.

Technical description: WAIT LIGHTING – IGNITION: Period of time given for pellets to light.

Typical repair cost £150-300 (including labour)

Engineer required

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

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Grant models that show the 41 fault code

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

Spira Repair: £150-300

Source

Grant 41 fault code information on this page is sourced and cross-checked against the official Grant service / installation manuals for each affected model.

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