SUS304-2B Inner Tank Thermosyphon Compact Non-Pressurized Solar Water Heater 80L 10 Tube

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SUS304-2B Inner Tank Thermosyphon Compact Non-Pressurized Solar Water Heater 80L 10 Tube


Thermosyphon Solar Water Heater (compact non-pressurized system) Galvanized Sheet Series 

SF-1800-58-470-10-SCN  80L 



Thermosyphon solar water heater (compact non-pressurized system) is comprised of three parts: water tank, vacuum tubes (collector), and support (bracket).
Working principle: Non-pressure solar heating is a kind of solar water heating systems that the bellow collector directly connects with the above water tank.
This solar water heater do not need to run the pump to force and do not require pipeline connections between the collector and the water tank. It is a simple and secure way to collect solar energy. The working principle of solar water heater is to make a natural circulation between the water tank and the collector.
a. The high quality vacuum tubes absorb the solar ray to heat the cold water in the vacuum tube.
b. The hot water rises in the top of the water tank from the vacuum tubes, and the cold water from the water tank sinks to the vacuum tubes to be heated by solar collector. So the whole system is always circulating continuously.
c. You can use a controller or an auxiliary tank to let the water fill the water tank automatically.


1. Lowest price. Most family can afford it.

2. Highest efficiency. The water fills the whole system, so that the heat loss is the least.

3. There is no need to wait and the hot water is available immediately.

4. Three target vacuum tube: more efficient

Thermosyphon solar water heaters can be used for ordinary families, or appartments.
Several solar water heaters can also be installed in array to form a solar project.
Bath room, hand/clothes wash, kitchen





Water Tank Capacity (L)

80L for 1-2 people 


Effective absorb area (m2)



Outer Tank




Silver color galvanized sheet


Diameter (mm)



Thickness (mm)



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Ms. Wendy (Sales Manager)
Tel: 86-519-85858231
Mobile: 86-13915093006
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Contact Method
Changzhou Sunfield Solar Technology Co.,Ltd
No. 5 Changjin road,Jintan Economic Development Zone, Changzhou, Jiangsu, China (Mainland) / 213000
Fax: 86-519-85858231
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