vacuum tube solar water heater

water heaterShuLe seriesVacuum tubes2030Water capacity(liters)170250Suitable number(person)4 56 7Other configuration 1.Outer tank:wire-drawing sheet 2.Inner tank:food grade stainless steel 304 material 0.4mm with high frequency welding 3.Density of foam: 3.8kg/m3 4.Thickness of foam: 70mm 5.Caliber:80mm 6.Stents: aluminum alloy, which has an evenly surface, strong causticity resistance even in the damp or high corrosive area, thickness above 80μm. the service life can be more than 15 years 7.Instruments: The intelligent instruments mating with the function Package 8.Accessories: anti-dry burning electrical heater, 2 kw (with insurance), 3 kw (with insurance),: 9.water pipe : anti-ultraviolet radiation and insulation pipe (PE) 10.Other accessories:high sensitive sensors, water purifier, magnesium rod, special solar thermostatic valve, lightning protection device, brass, ceramic angle valves, etc 11.Product characteristics (for selling) : A.High quality ensures the high effect of heat collecting and preservation , while keeps a fashionable appearance . B.Safe, comfortable and healthy are our goals. We use magnesium rod, water purifier, anticorrosion, soften technology to improve the quality of water. C.Product is suitable for the high level consumers who pursuit of high quality life in the city, that can display one’s status,. D. Dual protection measures: prevention of fried tube and leakag ensure the safety, E.Automatic instrumentation makes you use easier. 12. Thermal transfer rate:0.022W/m.K