What does the Baxi Megaflo E167 fault code mean?
The E167 fault code on a Baxi Megaflo indicates a thermostat fault, which typically means that the thermostat is not functioning correctly or is unable to communicate with the boiler. This can lead to issues with heating and hot water supply.
Common Causes
- Faulty Thermostat: The thermostat may be defective or damaged, preventing it from accurately reading the temperature.
- Wiring Issues: Loose or damaged wiring connections between the thermostat and the boiler can disrupt communication and cause the fault.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as working with gas appliances can be dangerous. Attempting to fix electrical components without proper training can also pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for a faulty thermostat on a Baxi Megaflo is around £150 to £250, which includes parts and labour. This cost reflects the need for a qualified engineer to diagnose and replace the thermostat safely.