BoilerFaultCodes Radiators rise in temperature during summer season Low
Your boiler's heating system is experiencing a natural flow of hot water into your radiators even though you have turned the heating off.
Monitor it
This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.
Technical description: Gravity effect in the C.H. system
Typical repair cost £120-220 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Protect yourself from future repair bills
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