Low
d.20 on Vaillant ecoFIT Pure 418

Your boiler is currently set to the maximum allowed temperature for your hot water storage, which is an advisory status rather than a breakdown.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

Maximum hot water set target temperature

From this model's manual
Verified against the Vaillant Ecofit Pure 830 installation & service manual, page 30.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Locate the hot water temperature dial or buttons on the boiler control panelTurn the dial or press the minus button to lower the temperature slightlyCheck if the display changes to show your newly selected temperature

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