upgraded-pump sand battery solar heat pump

I go over some updates on my solar heat pump and accompanying pump system

chapters :
autopsy 1:17
new pump 2:42
sand battery 4:39
Heat pump 6:28
future improvements 7:14

thingiverse :
https://www.thingiverse.com/turboprint3d/designs

stl files :
https://www.thingiverse.com/thing:5553036

Instagram
@turboprint2020

website:
turboprint3d.ca