vaillant 828 2e

  1. W

    VAillant 828 2e timer switch 110 keeps stopping

    Hi Guys, I have a Vaillant 828 2E boiler with a timer switch 110 fitted - about a month ago the timer switch stopped working so I order a replacement, the new replacement switch came and I replaced it, after three days of running it also stopped working, so ordered another one, then again after...