HOW CENTRAL HEATING WORKS, the history of central heating part 2 - pipe work layout

this video is part 2 of 5 on the history of central heating. taking you from the roman times to modern central heating system including condensing boilers

https://youtu.be/uNCSv_-LVXs
Link to part 1

Видео HOW CENTRAL HEATING WORKS, the history of central heating part 2 - pipe work layout канала Tomkat Gas Training