Description

Material: aluminum alloy of the chest and bracket Solar vacuum tube with straight copper heat pipe *5, *0, *5 and *0 pieces of tubes Hail resistance: diameter of *5 mm equals to 1 mpa Temperature insulation layer in chest Imported polyurethane foam for keeping same temperature and high pressure *0 mm thickness for maximum *2 hours of temperature conservation Maximum pressure bearing: 0.6 mpa Optional connection accessories and control system Three years for the whole system and *5 years for the vacuum tube Size: *7 x 1, **0 mm; *8 x 1, **0 mm Certification: EN****5, CE