integrated vacuum tube solar water heater

solar water heaterKangRui Seriesvacuum tubes161820water capacity(liters)135150170suitable number(person)2 33 44 51. Outer tank:white importing ceramic bead plate 2. Inner tank:food grade stainless steel 304 material 0.4mm with high frequency welding 3. Foam process: Using automatic constant temperature and pressure quantitative foaming craft, which foam evenly and the hole obturator rate above 90% that lead to a good heat preservation effect. 4. Stents: imported hot galvanized steel folded sheet with powder painting. 5. Automatic instrument can prevent pipe burst and electricity-leakage. 6. Stents: the thickness of 3 basic components is 1.5 mm made by galvanized steel , others for 1.2 mm with smooth plastic-sprayed surface which thickness more than 80μm. The design inspiration of back stents comes from the chinese word "Eight", under the premise of appearance design. The stents use Chinese red color to coordinate with water tank which accord with young people aesthetics. 8. Magnesium rod: A: prevent tank corrosion effectively that prolong the service life, B: softening water 9. Product characteristics : The appearance of basic configuration model looks vogue, and is safe, healthy that suitable for the olds. 10. Thermal transfer rate: 0.022W/m.K