What does the Baxi Megaflo E320 fault code mean?
The E320 fault code on a Baxi Megaflo indicates a pressure switch fault, which means the boiler is unable to detect the correct pressure within the system. This can prevent the boiler from operating safely and efficiently.
Common Causes
- Blocked Pressure Switch Hose: A blockage in the hose connected to the pressure switch can prevent it from sensing the correct pressure.
- Faulty Pressure Switch: The pressure switch itself may be malfunctioning or damaged, leading to incorrect readings.
Can I fix it myself? (DIY)
It is advisable to call a Gas Safe Engineer for this issue, as working with gas appliances can be dangerous. If you are experienced, you may check for blockages in the pressure switch hose, but any repairs or replacements should be handled by a professional.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for a pressure switch replacement on a Baxi Megaflo is around £150 to £200, including parts and labour. This cost reflects the price of the pressure switch itself and the expertise required for safe installation.