Pressurized Split solar water heater Pressurized Split solar water heater 1,copper heat pipe exchanger2,pressure with 0.6Mpa3,ISO9001/3C 4,OEM available
3.3high borosilicate solar vacuum tube solarvacuum tube: (1)3.3high borosilicate glass (2)lifetime more than 15years (3)vacuum:5*10-3 (4)lengh1.8m /1.6m,dia
