Non Pressurized Solar Water Heater

• Customization: Available
• After-sales Service: Yes
• Warranty: 5 Year
• Model NO.: RNE-NC-15
• Max. Capacity: 300L
• Structure: Compact Type
• Pressure: Unpressurized
• Interior Material: Stainless Steel
• Collector Components: Glass Vacuum Tube
• Composition: Collector
• Certification: CE, ISO9001, CCC
• System Type: Non Pressure Solar Water Heater
• Installation: Rooftop Mounting
• Tank Capacity: 150liter
• Inner Tank Material: SUS304 2b Stainless Steel 0.41mm
• Outer Tank Material: Painted Galvanized Steel 0.31mm
• Insulation Layer: Polyurethane Foam 55mm
• Solar Collector: Solar Vacuum Tube
• Tube Coating Structure: Three Target Coating
• Tube Material: High Borosilicate Glass 3.3, 1.6mm Thick
• Stand Frame: Galvanized Steel 1.5mm
• Accessory: Feeder Tank, Electric Heater, Controller
• Transport Package: Carton
• Specification: 150L
• Trademark: RAVEN NEW ENERGY
• Origin: China
• HS Code: 84191910
• Production Capacity: 2000PCS/ Month

Product Description

Compact Non Pressure Solar Water Heater

Thermosyphon low pressure solar water heater,  adopts simple thermal circulation, cold water heated by solar vacuum tubes, then hot water go up to tank, cold water in tank flow into solar vacuum tubes, cold and hot water form a natural circulation called thermosyphon, the whole tank water will become hot gradually.

Specialty:

• 1.Economical type for most of area,common people can afford it
• 2.Simple product structure: solar collector and water tank connected together directly, no need of pipe to connect, and no pump to push fluid
• 3.Mature technology and stable operation
• 4.Higher efficiency on photo thermal conversion.
• 5.Accessory is popular and easy maintenance

Technical specification:

• 1. Inner Tank: 0.41mm SUS304-2B food grade stainless steel (optional material: SUS316L).
• 2. Outer Tank: 0.41mm SUS304-2B food grade stainless steel (SUS304-2B).
• 3. Bracket: Galvanized steel , thickness 1.5mm , angle 20°/30°/45°.
• 4. Insulation: 55mm polyurethane layer.
• 5. Vacuum tube material: borosilicate glass 3.3; AL-SS-CU absorb coating
• 6. Seal material: Stabilized High Temperature Silicon
• 7. It resists 25mm hail.
• 8. Heat preservation: 72 hours

Production flow:


Packing details:
solar water tank 1 carton, stand frame 1 carton, solar vaccum tubes , 10pcs / carton . 
For sample order, MOQ less than 2pcs , packed by wooden box . 







Customer installations :




For any inquiry, please feel free to contact us !