What does the Glow-worm Betacom F24 fault code mean?
The F24 fault code on the Glow-worm Betacom indicates an overheat condition within the boiler. This typically occurs when the temperature of the water exceeds safe operating limits, potentially leading to system damage if not addressed promptly.
Common Causes
- Blocked Heat Exchanger: A build-up of debris or limescale can restrict water flow, causing overheating.
- Faulty Thermostat: If the thermostat is malfunctioning, it may not accurately regulate the temperature, leading to overheating.
Can I fix it myself? (DIY)
It is advisable to call a Gas Safe Engineer to diagnose and fix the issue, especially if it involves gas or electrical components. Attempting to fix it yourself could pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing an F24 fault could range from £150 to £300, depending on whether the issue is a simple thermostat replacement or a more complex heat exchanger cleaning or replacement.