Features:1) The tube structure is between all-glass evacuated tube and metal-glass evacuated tube with heat pipes2) Suitable for frigid zones because there is no water in tube3) Designed for pressure system 4) Heat pipe material: TP2 copper5) The heat collecting part is a vacuum glass tube that lowers heat loss6) Stable solar conversion throughout day, with round shaped tube allowing solar penetration from all angles
All-Glass Evacuated Solar Collector Tubes with Heat Pipe




