Goes without saying Shaun, live & learn, even if the hard way. Never thought I would get caught up like this, asked all the right questions & trusted them. Still insisting he/they are G3, time will tell.Make sure who ever comes to fix it at your request brings proof of qualification (g3) either will be a card eg like a gas safe card or there qualification (this should have a holo stamp and be thick a4 card material)