What does the Glow-worm Betacom F72 fault code mean?
The F72 fault code indicates a malfunction with the central heating inlet temperature sensor in the Glow-worm Betacom boiler. This sensor is crucial for monitoring the temperature of the water entering the heating system, and its failure can disrupt the boiler’s operation.
Common Causes
- Faulty Temperature Sensor: The sensor may be damaged or malfunctioning, leading to incorrect temperature readings.
- Wiring Issues: Damaged or loose wiring connections to the sensor can result in a failure to communicate accurate temperature data to the boiler’s control system.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and safety concerns. Attempting to fix it yourself could lead to further damage or safety hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing the central heating inlet temperature sensor is around £120-£150. This includes the cost of the part and labour, reflecting the typical rates for a qualified engineer in the UK.