Low
d.07 on Vaillant ecoFIT Pure 412

Your boiler is currently communicating with your hot water tank to confirm the temperature it needs to reach for your taps and shower.

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

Set target temperature for the domestic hot water cylinder

Engineer required

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

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