LONDINIUM R24 v LONDINIUM R This video illustrates the primary difference between the latest evolution of the LONDINIUM R, the R24. The '24' recognises that the machine is now 24 volts inside, other than the immersion element of course, which is still mains voltage, either 120V or 240V depending on which edition you specify. See: https://londiniumespresso.com/news/londinium-r24 On his website , Reiss Gunson of LONDINIUM writes looking at some of the recent discussion on places like the home-barista forum it seems that i havent communicated the differences between our machines very well i think the easiest way to understand our model range is to start with the LONDINIUM III this is a 3 group commercial lever machine with no pump that relies on a connection to the water mains. the groups are not mounted on the boiler, but rather an indirect link only between the two with two thermosiphon pipes (a feed pipe and a return pipe) to circulate wate