Compact Non Pressurized Solar Water Heater

compact solar water heater

Model No:  
Capacity: 100L -300L
Size:  
Weight:  

Non-pressure solar water heater of all glass evacuated tube collector integrated with storage tank, are ideal for use in houses and other applications where cheap, reliable hot water supply is required. They are simple, economic and practical.

As the specific gravity of hot water and cold water are different, cold water goes downward and hot water goes upward. 
When cold water in evacuated tubes is heated, it becomes lighter and goes to the water tank, while cold water in the tank goes down to the evacuated tubes 
Through this circulation, the cold water in the water tank will be gradually heated.

 Advantages:

1. It operated completely automatic if connect with intelligent controller. 

2. Simple structure, easy plug-in installation, can be installed both on flat and inclined roof, and can be used with an auxiliary electrical heater as to provide hot water without sunshine. 
3. Superior heat preservation ensured by one-off molding polyurethane foam. Can keep warm efficiently for 3 days 
4. Stable and reliable performance, well wind resistance. 
5. Meet the mankind healthy bath standard: The material of inner tank is SUS304-2B stainless steel sheet; The silica gel ring sealing has a long life against the erosion and it is not harmful to health.

 

Customized design: 
we can produce the model according to customer’s special requirement. 
either integrated non-pressure model, or compact pressure model or pre-heating model or the separated pressure model, we all can produce.

 

Type:Evacuated Tube
Circulation Type:Direct / Open Loop (Active)
Connection Type:Direct-Plug
Installation:Freestanding
Housing Material:Stainless Steel
Certification:CE, SASO, CCC, ISO9001, Inmetro
Capacity:200
Place of Origin: Shandong China (Mainland)
Brand Name:Suneco
Model Number:ECO-NP
Item:Compact Non Pressurized Solar Water Heater
Application:Bath/Washing
material:stainless steel/color steel
Inner tank:Stainless Steel SUS 304, 0.5mm/0.5mm, 360mm/380mm
Outer tank:Galvanized Steel, 0.4mm, 460mm/480mm
Frame:Galvanised Steel, 1.5mm thickness
Vacuum tube:Borosilicate Glass 3.3 with silver titanium coatiing

water Tank

 Inner Tank

Food-grade stainless steel SUS304-2B/SUS316, 0.5mm, diameter 360mm/380mm

 Outer Tank

Painted steel(Galvanized steel)/Stainless steel, 0.4mm

Diameter 460mm/480mm

 Insulation

 High-density polyurethane foam 50mm

Vacuum Tube

High borosilicate 3.3 glass with three-target (CU/SS-ALN(H)/SS-ALN(L)/ALN) coating, 58*1800mm, glass thickness 1.6mm±0.15mm

Bracket

Shaped strong painted steel(galvanized steel)/stainless steel/aluminium alloy,15°/25°/38°/45° angle

Inlet&Outlet

Male 1/2″ or 3/4″

Working 

Pressure

0.05 Mpa

Accessories

Electrical heater, magnesium anode, intelligent controller, ASSISTANT TANK

Model

Vacuum Tube

Capacity/Liter

Container Loading

Qty/Sets

Qty/Pcs

Size/MM

20GP

40HQ

ECO-NP-10

10

Φ58*1800

100

72

174

ECO-NP-12

12

Φ58*1800

120

61 

148

ECO-NP-15

15

Φ58*1800

150

50

121 

ECO-NP-18

18

Φ58*1800

180

41

100

ECO-NP20

20

Φ58*1800

200

37

91

ECO-NP25

25

Φ58*1800

250

32

77

ECO-NP30

30

Φ58*1800

300

25

62

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