• Looking for a smarter way to manage your heating this winter? We’ve been testing the new Aqara Radiator Thermostat W600 to see how quiet, accurate and easy it is to use around the home. Click here read our review.

Recent content by It Don't Work

  1. I

    Viessmann Vitodens 100 Combi Issue

    You are right. It is not a combi (just looked and the correct reference is, I think, 100-W System). My engineer has looked into the problem and can't identify the source of the rattle/judder.
  2. I

    Viessmann Vitodens 100 Combi Issue

    System was serviced a few weeks ago. No sign of water weeping from the drain. My mind keeps turning to a sticking zone valve at the cylinder end or perhaps a dodgy flow limiter at the boiler end.
  3. I

    Viessmann Vitodens 100 Combi Issue

    I have a 4 year old Viessmann Vitodens 100 Combi boiler feeding an unvented hot water system and underfloor heating system. My issue is with the hot water circuit. When the hot water system switches on in the morning and the boiler fires up there is distinct rattle/judder which lasts a second...
See more
Back
Top