There are many different kits you can get so look at the bits it includes and the bits you wont need and buy the closest to your requirements. Get the kit with the digital controllesr or the simple manual dial/on-off control and avoid the cheap manual controlle option that comes with some.Also, go for the 5kw not the 2kw. Throw the nylon fuel pipe away and get some good quality 4mm rubber pipe but keep the fuel runs short. After throwing that away, throw the instructions away after it and get all your installation info from J-Mack on ebay and you are 90% there. In short, German quality and performance at a tenth of the price. Ive just got mine going and its marvelous. The days of Chinese garbage are fading now, they are catching on to quality as well- Eberspacher/Webasto must be tearing there hair out..