Changzhou Sunlight Solar Energy Co., Ltd.

Non pressurized solar water heater system

Non pressurized solar water heater system
Product Detailed

Low pressure solar water heater for domestic use;
It overpass CE
Solar Keymark;
EN12975 certification;

Low pressure solar water heater

All 304 stainless steel style


1) Reliable and efficient with twin-glass solar tubes;
2) Work pressure<1.5 bar;

3) Use 304 stainless steel,anti rust;

Other style:

1.Powder coated galvanized steel ;

2.Aluminum ;



1) Solar water tank:

Outer tank shell: 304 2B/304 BA 0.31mm/0.41mm.

Inner tank shell: 304 2B food grade stainless steel 0.31mm/ 0.41mm/0.5mm/0.6mm in thickness

Insulation:high density import PU 55mm in thickness

Dimension of Inlet & outlet, vent,overflow hole:4"

Electrical heater backup hole:47mm

2) Material of support : 304 stainless steel 1.2mm in thickness  n type

3)Evacuated tubes: Dimension of tubes:47mm*1.5m,58mm *1.8m

Material of evacuated tube :Borosilicate Glass 3.3 double glass tube 1.65mm in thickness 

Absorber Surface: Selective Coating AL/N/AL Absorptance >93%


Optional item:

Electrical heater backup

Digital controller.


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