How to fix Ideal Mini fault code F29

What does the Ideal Mini F29 fault code mean?

The F29 fault code on the Ideal Mini indicates a gas valve fault, which typically means that the boiler is unable to regulate the gas supply properly. This can lead to issues with heating and hot water production.

Common Causes

  • Faulty Gas Valve: The gas valve may be malfunctioning or completely failed, preventing gas from reaching the burner.
  • Electrical Connection Issues: Loose or damaged wiring connections to the gas valve can disrupt its operation, leading to the F29 fault code.

Can I fix it myself? (DIY)

It is strongly advised to call a Gas Safe Engineer for any issues related to the gas valve, as working with gas appliances can be dangerous. Attempting to fix it yourself may void warranties and pose safety risks.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for an F29 fault on an Ideal Mini boiler is around £200 to £300, which includes parts and labour for replacing the gas valve. This cost reflects the complexity of the repair and the need for a qualified technician.