Thermo-Siphon Solar Water Heater (YR-470-1800 / 58-ST)

Features:
1) Material of outer tank: SUS304-2B stainless steel with 0.31mm thickness
2) Material of inner tank: SUS304-2B stainless steel with 0.5mm thickness
3) Including a copper coil
4) All glass vacuum tube: ?8mm x 1,800mm
5) Heat preservation: polyurethane foam with 55mm thickness
6) Support: stainless profiled bar