sensonet sensocomfort

  1. 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...