From Rich Allen's YouTube Video: "MY SOLAR TEST I DID WITH MY VAC TUBES ALSO SHOWED HOW I BUILT THEM."
Great YouTube Video of DIY Solar Water Heater with Heat Tubes.
Posted by TV on Jul 5th 2017
Posted by TV on Jul 5th 2017
From Rich Allen's YouTube Video: "MY SOLAR TEST I DID WITH MY VAC TUBES ALSO SHOWED HOW I BUILT THEM."