The video many have asked for; the full explanation of my "free hot water" set up, using a heat exchanger and a closed loop glycol system. A passive system that takes advantage of the fact that you are driving anyway. Why not harness that wasted energy to make hot water every time you drive!
#onahumbleroad
#customvanbuild
![](https://s2.save4k.ru/pic/xTFbJQTjEa8/maxresdefault.jpg)