What does the Glow-worm Energy F82 fault code mean?
The F82 fault code on a Glow-worm Energy boiler indicates a problem with the central heating (CH) pressure relief valve. This typically means that the valve is either leaking or has failed, which can lead to pressure issues within the system.
Common Causes
- Faulty Pressure Relief Valve: The valve may be stuck open or closed, causing improper pressure regulation.
- Low System Pressure: Insufficient water pressure in the system can trigger the fault code, often due to leaks or insufficient water supply.
Can I fix it myself? (DIY)
If you are experienced with boiler maintenance, you can try to reset the pressure by checking the pressure gauge and refilling the system if necessary. However, for any issues related to the pressure relief valve, it is strongly advised to call a Gas Safe Engineer to ensure safety and compliance with regulations.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing a pressure relief valve on a Glow-worm Energy boiler is around £150 to £250. This includes the cost of the part and labour, as the valve itself typically costs between £50 and £100.