Low
d.25 on Vaillant ecoTEC plus Aquaplus

Your boiler is currently monitoring the status or temperature of the integrated hot water storage tank.

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.

Technical description

Storage tank status

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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