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Zhejiang Hongguang Green Energy Co., Ltd.
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Color steel covered appearance compact unpressurized solar water heaters

Color steel covered appearance compact unpressurized solar water heaters

Supply Ability : 4000 Set/Sets per Week
Certification : CE, SRCC ISO9001:2000
Packaging Details : wooden or carton packing .
MOQ : 20 Set/Sets
Delivery Time : 7-10days after receive your payment
Port : Shanghai Ningbo
Payment Terms : L/C,T/T
FOB Price : US $ 100-400/ SetGet Latest Price
Installation : Freestanding
Place of Origin : Zhejiang
Brand Name : Haokang
Model Number : NP-L
Heating System : Thermosyphon (Passive)
Housing Material : The PVDF / Color steel
Pressure : Unpressurized
Circulation Type : Direct / Open Loop (Active)
Type : Evacuated Tube
Connection Type : Direct-Plug
Category : Water Dispenser
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1. 15 years lifetime 5 years life guarantee
2. Perfect design and good quality
3.CE ISO9001 Solar keymark certified

-- Color steel covered appearance compact unpressurised solar water heaters

-Working principle
Because of the larger proportion of hot water than cold water, cold water flows downward and hot water goes upward. The water will be heated continuously between water tank and vacuum tube. In other wards, hot water always floats on cold water.
The hot-water flows to the water tank from the vacuum tubes. Because of the proportion, cold water flows to vacuum tubes from the water tank.
The cold water is heated in vacuum tubes. After it becomes hot water, it flows to water tank again. The water circulates constantly between water tank and vacuum tubes; the cold water in water tank will be hotter and hotter.
Finally, all cold water will be heated to be hot water. This is the heating course of cold water.

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Specifications

The inner tank is stainless steel 0.4mm thickness.
The out tank is color / the PVDF color / steel plate
Frame are galvanized steel or aluminum alloy
this model vacuum tubes we have different size.
Size: φ47(Dia)*10/15/17/20/25 tubes
------- φ58 (Dia)*8/10/12/15/18/20/25/30/32/35 tubes

Water tank capacity : 60-350 liters

The polyurethane layer 45-55 mm

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-Advantages

1. Sold with CE SRCC ISO9001:2000 certificate

2. Request of customized type can be accepted. Unpressurised design , simple structure and Dual-purpose brackets make it convenient in use ( you can install it for both flat and inclined roof) --

3 . Longtime heat- preservation for about 60-70hours

4. Green, economical and energy-saving (cold water separated from hot water and you do not need to install an electric backup heate

5.15 years lifetime 5 years lifespan

6.-Optional accessories ( assistant tank, electric backup heater, intelligent controller ) they are optional instead of compulsory, you can choose some or none according to actual needs .

7. stainless steel covered appearance looks more beautiful

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