How much does it cost to fix Grant error code AIR PRESSURE ERROR?

Typical repair cost for the Grant AIR PRESSURE ERROR fault is £150-350 including labour.

AIR PRESSURE ERROR High

Grant AIR PRESSURE ERROR Fault Code

Q: What does the Grant AIR PRESSURE ERROR fault code mean?

Your boiler is struggling to clear exhaust gases or draw in fresh air, so it has safely shut down to prevent unsafe operation.

Also written as AIRPRESSUREERROR — same fault.

The Grant AIR PRESSURE ERROR fault code means: your boiler is struggling to clear exhaust gases or draw in fresh air, so it has safely shut down to prevent unsafe operation.. It appears on 1 Grant model in our database.

Technical description: Air pressure error is scrolling across the bottom of the burner control panel display.

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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Grant models that show the AIR PRESSURE ERROR fault code

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

Spira Repair: £150-350

Source

Grant AIR PRESSURE ERROR 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