Tado and VR66


I've recently moved into a house that has a Vaillant Ecotec Plus 618 boiler with a VR66 control module with 2 zones (downstairs and upstairs). From looking at other forums i can see the VR66 isn't supported by Tado due to the eBUS controller however there are a couple of work arounds.

Has anyone on here installed the VR33 module on a similar boiler or set up the basic call to heat function that could offer some advise. At the moment i've brought an extension kit and 2 thermostats from the old house along with a few TRVs so would prefer to get something working with the kit i've got rather than looking at the vSMART stuff...



  • Hi,

    I have a Vaillant Ecotec Classic and I added a VR33 module myself. I set the Tado thermostat to 'D01', which works. The VR33 is on the left of the picture, where the red and blue wire to the room thermostat are connected.

    Kind regards,


  • Ok thanks I might have a look at the vr33 option then. Do you know if you have a vr66 installed thatanageds the dual zones? If so was there anything you need to do with that other than getting the vr33 plugged into the boiler. Thanks
  • Sorry, but I do not have a VR66 installed that manages dual zones; only the Vaillant Ecotec Classic with the added VR33 module.