Fully enclosed vacuum tubes

. Jinyi Solar Collector Features: 1) Highly efficient absorber of high performance with daily average efficiency over 50%, this type solar water heating solution is more and more acceptable by worldwide customer. 2) Withstand pressure of 0.6 MPa, solar collector can be connected directly with city water pipe. 3) The storage tank and the heat pipe are metallic sealed. 4) No water inside the evacuated tubes; the solar water heater can still in service even with several tubes breakage 5) Highly efficient insulation with compressed rock wool. 6) Simple structure, easy to assembly and install. so when you install this solar water heater system, wil save your labor cost. 7) Can be used all year round in the cold climate, so the split solar water heater can be used in Canade, russia.etc. 8) solar collector can be used together with auxiliary electric/gas/oil heating decive 9) More and more used for radiator and floor heating. 9) Automatically controlled, LED d