vrc 700

  1. M

    Help with VRC700, VR50 and Zones

    Hi all, Hopefully someone can help. I've seen a few related threads on this, but can't quite find the information I need. I've got a VRC700 with 2 VR91s controlling 3 zones (Ground, First, Second) and 3 heating circuits (1, 2, 3). I'm in the process of fitting VR50 ambisense valves to each...
  2. M

    Upgrading Vaillant VRC 700 controller to VRC 720 sensoCOMFORT

    I am looking to upgrade my VRC 700 controller to a VRC 720 sensoCOMFORT to give me the additional temperature controls that come with this newer controller. It will also mean upgrading my two remote VR 91's to VR 92's. I'm assuming it will be a straight forward wiring job, simply replacing one...
  3. M

    Replacement Vaillant Controllers

    Wow, how time flies! It's been just over a year since I completed our bathroom refurbishment, which involved adding an additional UFH zone and having to upgrade our Vaillant wiring centre and heating controls. At the time I posted the following to get a view on the VRC 700 controller: Pros &...