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The non-pressure solar water heater normally uses the non-pressure water shutdown, the efficiency is high and the service life is long. The low-pressure gravity system consists of a vacuum glass tube collector, an insulated storage tank and optional stand parts (make up tank).
PRODUCT DETAILS
15 tubes 145 liters Solar Geysers Working Principle:
Thermo siphon Solar Water Heater relies on the natural circulation of water between the collector and the tank or heat exchanger. As water in the vacuum tubes is heated, it rises naturally into the elevated tank while cooler heavier water in the tank flows down to the bottom of the vacuum tubes, causing circulation throughout the system. Greater height differential will result in greater flow. Larger pipe, shorter runs, and gentle bends will make for an adequate flow rate.
Non-pressurized Solar system (15 tubes 45L Solar Geysers) Dscription
Non-pressurized system are also called straight-in all-glass vacuum tube solar water heaters. Because the vacuum collector and water tank are sealed by sealing rubber ring, they can not withstand pressure.The non-pressure solar water heater normally uses the non-pressure water shutdown, the efficiency is high and the service life is long. The low-pressure gravity system consists of a vacuum glass tube collector, an insulated storage tank and optional stand parts (make up tank). The water is delivered to the tank on the roof by a pump of some kind or from a water tower, which naturally means there is some pressure and then the evacuated glass tubes are filled with water and exposed to sun, thus heating up the water in the glass tubes.This system is completely compatible with shower pumps and other household pumps to add water pressure in the house. But the tanks and the panels or tubes are not pressurized themselves.
Non-pressurized Solar system(15 tubes 45L Solar Geysers)Advantages:
Due to lower pressure and stress on the tank and collectors, it has a longer life than high pressure solar systems.
Can provide hot water without external power such as pumps.
Due to its simplicity, it is usually a cheaper option .
It is more energy-efficient i.e it is highly effective in converting sunlight into heat.
Non-pressurized Solar system (15 tubes 45L Solar Geysers) Disadvantages:
Unless it is installed at a high level above the water outlets the water pressure will be very low.
