Basic Info.

Product Description

Features: 1) the tube structure is between all-glass evacuated tube and metal-glass evacuated tube with heat pipes 2) suitable for frigid zones because there is no water in the tube 3) designed for pressure system 4) heat pipe material: tp2 copper 5) the heat collecting part is a vacuum glass tube that lowers heat loss 6) stable solar conversion throughout the day, with the round shaped tube allowing solar penetration from all angles