High
WATER OVERHEAT THERMOSTAT on Ideal Turbo2 24

Your boiler has switched itself off because it got too hot and needs a chance to cool down before it can restart safely.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Safety device that triggers if water temperature exceeds limits

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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