Pressurized solar water heater with heat pipe

1.This type of solar water heater workers with high pressure.2.It uses the heat pipe to transfer the heat energy,it can works rapidly and independently.3.No water in the vacuum tube, tube breakage won't happen in the winter.The details of material:1.Inner tank:stainless steel  SUS316 1.2mm thickness.2.Vacuum tube:QB-AL-N/AL,Boride silicon glass.3.Outer tank:Painted steel--0.4mm thickness.4.frame:Coated galvanized steel--1.5mm thickness.5.The material of insulation:Polyurethane 55mm thickness.6.The reflector:Aluminum component:AL 99.85% surface oxidation.
Pressurized solar water heater with heat pipe