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non-pressure solar water heater



98 ~ 850 / Set ( Negotiable ) Get Latest Price


98 per Set

5 Set

carton for container order, carton + wooden package for LCL

wiyhin 15 days after deposit

2500 Set per Month

Western Union, T/T

Contact Now

Product Specification

quality : good quality price : low price angle : according to clients accessory : electric heater,assistant tank electric heater : 1200W,1500W,2000W etc assistant tank : 5L,8L,10L

Product Description

Specification of non-pressurized solar water heater:

-inter tank:SUS 304-2B food grade stainless steel with thickness of 0.31-0.35mm

-out tank:stainless steel/galvanized steel/colour steel


-evacuated tubes; dia.47mm*1500mm,58mm*1800mm

-insulation layer thickness:50mm

-bracket:galvanized steel with thickness of 1.2mm

-heat preservation:72hrs

-hail resistance:25mm

-working pressure:0MPa

The basic non-pressure system SWH is a passive system, which relies on a natural principle-therosiphon. There is water in evacuated tubes free to flow into tanks.when the water in tubes is heated by sun's rays firstly,this makes water in the tubes lighter. Therefore the cold wwaer in the tank move downwards and hotter water move upside into the tank. It is an open circuit since the air vent and the overflow pipe is open to the air.

 All the storage tanks are tested before leaving with tested pressure of 0.05MPa(0.5bar). But the operation pressure should be 0MPa. The daily efficiency is over or equal to 50% normally and 42% in winter. We welds the inner tank by high-frequency ring or argon arc techniques.

1. Allocated with the solar energy water heater controller with multiprotection functions such as water temperature, water level display,auto power-off etc.

2. Adopts the efficient heat aborption coating vacuum pipe heat collector.

3. Ultra-strong insulation imported gather ammonia ester high density integral forming.

4. 55mm super thickness insulation layer, extreme heat loss inside the water tank. No dead angle area inside the water tank

5. Withdraw the cost within 2 or 3 year he product use life is as long as above 15 year.

6. High absorptivity, low emission rate.

7. Energy saving, extremely low use cost at ordinary times.

Contact Us

Contact Person :Ms. Yu

Company:Haining Hengji Solar Energy Technology Co., Ltd

Address:yuanhua, Jiaxing, Zhejiang, China,314416


Ms. Yu < Haining Hengji Solar Energy Technology Co., Ltd >
I want to know:

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