Changzhou Hejia Solar Energy Co., Ltd.

China Manufacturer with main products: Solar Collector, Solar Water Heater, China Solar Water Heater System

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Solar non-pressurized water heater system

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Export Markets: North America, Africa


1. Open and unpressurized Solar water heater, the max pressure endure ability is 0.05Mpa.
2. Compact solar system, directly heating the water in a natural circulation way.
3. The inlet and outlet of the pipeline can work under the tap water's normal pressure.
4. Very suitable for warm area, easy maintence.
5. Long service life, more than 10 years.
6.Used for shcool,hotel,and other commercial constructions.
Hejiasun--super and authorized Solar water heater supplier
 Changzhou He Jia Solar Energy Co.,Ltd is Solar non-pressurized water heater system -- MNP manufacturer and supplier in China.
Our products range including all kinds of pressure Solar water heater,pressure tube and flat Solar Collector,non pressure solar water
heater,non pressure Solar Collector,solar Pump station with controler and Accessories which widely using in domestic and international
market for different kinds of solar heating projects
He jia solar energy co.,ltd have all european and USA qualified like ISO9001,CE,SOLAR KEYMARK,EN12975,EN12976,SRCC
And also we have cutting-edge technnology and all products with our own patent design,complete a new face to solar energy market,we have ability to develop new to market every year and in a short time to pass the if you interested new and quality produts,pelase contact us freely if any project design.
He Jia Solar Energy is a professional heater water solar system manufacturer in the field of making heater water solar system for over 13 years.
Technical Data
Production Model
Absorber area approx.(m2)
Aperture area(m2)
Capacity of water tank(L)
Weight Empty(kg)
Out diameter of tank
inner diameter of tank
Vacuum tube
Coil in the water tank
Material of inner tank
δ0.55mm(can be adjustable depending on customers’ demand)SUS304-2B
Material of out tank
δ0.31mm  SUS304-2B/color steel
Polyurethane foams(ρ≥35kg/m3, thickness:60mm)
Material of stands
Galvanize plate with powder coating.

Service Process

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