Specification1) Water tank material (inner): SUS/304 import food grade stainless steel 2) Water tank material (outer): import aluminum-plating zinc steel plate/ DuPontfluorine carbon board3) Evacuated tube sizes: 47 x 1,500; 58 x 1,800 (magnetism control splutters AL-N//the AL selective absorption coating) 4) Tank capacity: 6L/; 47 tubes; 9L/; 58 tubes5) Heat preservation layer: the 55mm machinery overall high pressurefoamed polyurethane, has a good effect of temperature preservation

pressure solar water heater