How to Make a Thermal Insulated Vacuum Tube PVC PIPE CPVC PIPE

CPVC is used for hot water transfer in homes and business. Solar rooftop projects require heated water or heat exchange liquid to sometimes travel a long distance through piping exposed to cool or very cold temperatures. A lot of solar thermal heat can be lost from collector to water heater tank , radiator, or radiant floor heaters. This works under water and in subterranean installation prevent wet ground from leaching heat. Also prevents freeze overs for up to 10 hours in -10c with no circulation.