Silver Fluorocarbon (PVDF) Plate100-300L Low Pressure Vacuum Tube
Solar Solar Geyser
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1.Non-pressurized solar water heater is such kind of a most
economical system with high efficiency at the same time. It works
depending on the gravity of water, so it's much better to be
installed on the slope or flat roof as top as possible to get
enough hydraulic pressure.
2.A simple assistant tank can be equipped for tap water refill
automatically or with an intelligent controller to control the
start up of auxiliary heating device at the same time.
3.Vacuum tube: Hail-resisting borosilicate glass with high-tech
selective coating ensures an efficient solar collecting, tri-target
vacuum tube with its patent interference coating makes the
efficiency not only improved by 12% but also with a high
temperature resistance (380oC).
4.Inner water tank: Food-grade stainless steel SUS304-2B as inner
tank keeps the water clean and drinkable, together with advanced
welding technics to ensure it with a long lifespan (15 years).
5.Water tank shell: Imported color steel plate, with its outer
coating treatment ensures a long life even to ocean coast weather.
6.Insulation Layer: Germany-imported polyurethane integrated
foam-forming with twice slaking treatment, preserves hot water
constantly as long as 70~80 hours.
7.Supporting Bracket: Hot-DIP galvanized steel plate with a good
weight bearing and wind resistance(140 km/hr), super mechanical
performance and corrosion resistance ensures a long life to ocean
coast, easy installation, universal bracket suitable for either
flat or slope roof installation.
8. Accessories: Stainless bolts & nuts, water-proof silicon
rubber, anti-aging dust-proof rubber seal, plastic pipe holder and
ventilating cap to ensure their lives as long as other parts of the
Non-pressure vacuum tube solar water heater is an open loop and
thermosyphon system. The vacuum tube with special absorptive
coating can absorb the sun energy and transfer sun energy to heat
energy. Whole system works according to the thermosyphon principle.
Water in vacuum tubes is heated and then rises to top of tank. Cold
water in tank goes down to the vacuum tube bottom. Water in the
system will be heated as circulation keeps going on. This type of
solar water heater is one of the most popular systems because of
its own advantages of high efficiency,cheap price,simple
Installation and free maintenance
Domestic hot water for shower, washing
1) Higher efficiency than Flat plate solar water heater
2) Operated completely automatic if connect with intelligent
3)Simple structure, easy plug-in installation, can be installed
both on flat and inclined roof.
4) Hot water every day, with an auxiliary built-in electric heater
as back up power.
5) 72 hours heat preservation ensured by one-off molding
polyurethane foam with thickness 55mm.
6) Food grade SUS304-2B stainless steel inner tank, meet the
mankind healthy bath standard.
7) Eco-friendly and energy saving product.
8) Stable and reliable performance, well wind resistance.
9) Widely used in Europe, North America, Mexico, South Africa etc.
10) More than 10 years life time