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Vaillant VRT30 wired thermostat

Hi all
I am replacing a VRT30 with a Tado wired thermostat.

The VRT30 is connected to a controller that will be set to constant for heating.

The VRT has the following cables that I am trying to understand so I can connect to the Tado.

3/L
4/☀️
5/N


Can anyone advise?
Many thanks in advance.

Rob

Best Answer

  • Emcee
    Emcee Admin
    Answer ✓

    Hello @RobboD,

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