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RNE-NC-10
SOLARAVEN
841912
The 100L Non-Pressure Solar Water Heater is an innovative, energy-efficient solution designed to meet the daily hot water demands of households, small businesses, and off-grid applications. Utilizing advanced solar thermal technology, this system converts sunlight into usable heat energy, providing a sustainable and cost-effective alternative to traditional electric or gas-powered water heaters. Ideal for regions with abundant sunshine, the system features a 100-liter insulated storage tank and high-performance evacuated glass tubes, ensuring reliable hot water supply even during partial cloudy conditions.
Engineered for simplicity and durability, this non-pressure model operates without requiring external water pressure, making it suitable for areas with inconsistent municipal water supply. Its compact design and easy installation further enhance its appeal for residential use, while its corrosion-resistant materials guarantee a lifespan of 10–15 years with minimal maintenance.
Constructed with premium borosilicate glass, the vacuum-sealed tubes absorb up to 94% of solar radiation, maximizing heat transfer to the water. The anti-reflective coating ensures optimal performance in low-light conditions.
The 100L storage tank is made of SUS304-2B stainless steel with polyurethane foam insulation, maintaining water temperatures at 50–75°C for up to 72 hours.
Operates independently of water pressure, reducing risks of leaks and pipe bursts. Gravity-fed water flow simplifies installation and lowers energy consumption.
Includes an adjustable thermostat and heat-preservation layers to prevent overheating or freezing, ensuring safe and stable operation across seasons.
Pre-assembled components and lightweight materials enable quick setup on rooftops, terraces, or ground mounts. A self-cleaning tube design minimizes scaling and debris buildup.
Withstands extreme temperatures (-30°C to 100°C), UV exposure, and hail impacts, certified for use in diverse climates.
Non pressure solar powered water heater specification
Model | Solar Vacuum Tube | Capacity | Absorber Area | Suitable for | |
Pcs | Size(mm) | (L) | () | (Persons) | |
RNE-NC-10 | 10 | 58×1800 | 100 | 1.330 | 2 |
RNE-NC-15 | 15 | 58×1800 | 150 | 1.995 | 3 |
RNE-NC-20 | 20 | 58×1800 | 200 | 2.660 | 4 |
RNE-NC-25 | 25 | 58×1800 | 250 | 3.325 | 5 |
RNE-NC-30 | 30 | 58×1800 | 300 | 3.990 | 6 |
More details of non pressure solar powered water heater technical data
Non Pressure Solar water heater with solar vacuum tubes | |||
Solar Water Tank | 1 | Material of Outer Tank Shell | Galvanized steel with anti corrosive paint |
2 | Material of Inner Tank Chest | stainless steel 304 2B or 316L | |
3 | Water Tank Diameter | 460/360MM | |
4 | Water Tank Insulating Layer | Imported Polyurethane,High Density,50MM | |
5 | Heat Preservation Period | 72～80Hours | |
6 | Welding Method | Argon Arc Welding | |
Solar Vacuum Tube | 7 | Solar vacuum tube structure | All-Glass Double Co-Axial Structure |
8 | Glass Material | High Borosilicate 3.3 Glass | |
9 | Tube Size | diameter 58MM* length 1800MM or 1500MM | |
10 | Outer Tube Dia.&Glass Thickness | φ58±0.7mm,Glass Thickness 1.6±0.15mm | |
11 | Inner Tube Dia.&Glass Thickness | φ47±0.7mm,Glass Thickness 1.6±0.15mm | |
12 | Coating Material | CU/SS-ALN(H)/SS-ALN(L)/ALN | |
13 | Sediment Method | Tri-Element Magnetron Sputtering Plating | |
14 | Absorb Ratio | >96%(AM1.5) | |
15 | Thermal Emissivity | ≤6%/(80℃) | |
16 | Hail Resistance | φ25mm | |
Solar water heater Bracket | 17 | Bracket Material | Stronger Galvanized Steel |
18 | Bracket Angle | 25 / 45° | |
19 | Bolts&Muts | Stainless Steel | |
Assistant Tank | 20 | Assistant Tank Material | Stainless steel |
21 | Assistant Tank Capacity | 5L/8L/20L | |
22 | Assistant Tank Model | Vertical/Horizontal,Optional | |
· Residential Homes: Provides hot water for showers, laundry, dishwashing, and kitchen use in single-family homes or apartments.
· Small Commercial Spaces: Suitable for guesthouses, cafes, clinics, and schools with moderate hot water requirements.
· Off-Grid and Rural Areas: Ideal for regions with limited electricity access or unreliable utility infrastructure.
· Supplemental Heating: Integrates with existing electric/gas systems to reduce energy costs by up to 70%.
· Eco-Friendly Projects: Supports green building certifications (e.g., LEED) and carbon footprint reduction initiatives.
A: The collector should be tilted at an angle equal to the local latitude ±10° to maximize annual sunlight exposure. Adjustments can be made seasonally for enhanced efficiency.
A: Yes. The evacuated tubes and insulated tank prevent freezing down to -30°C. For prolonged sub-zero conditions, a frost-proof valve or auxiliary heating loop is recommended.
A: Annual inspections are advised to check for tube integrity and sediment buildup. Tubes can be cleaned with water and a soft brush; no specialized tools are needed.
A: Yes, but periodic descaling (every 2–3 years) is recommended in areas with high mineral content to maintain efficiency.
A: Most users recover costs within 3–5 years through reduced electricity/gas bills, depending on local energy prices and solar availability.
A: The standard model relies solely on solar energy. Optional electric or gas backup heaters can be integrated for 24/7 hot water assurance.
A: A 5-year warranty covers the tank and tubes, with a 2-year warranty on accessories like brackets and valves.
Combining cutting-edge technology, robust construction, and user-friendly operation, this solar water heater delivers unmatched reliability and sustainability. By reducing dependence on fossil fuels, it offers long-term savings while supporting global environmental goals. Customizable configurations and bulk order discounts are available to meet your specific market needs.
Contact us today to request a quote or learn more about our certifications (ISO, CE, Solar Keymark) and OEM/ODM services!
The 100L Non-Pressure Solar Water Heater is an innovative, energy-efficient solution designed to meet the daily hot water demands of households, small businesses, and off-grid applications. Utilizing advanced solar thermal technology, this system converts sunlight into usable heat energy, providing a sustainable and cost-effective alternative to traditional electric or gas-powered water heaters. Ideal for regions with abundant sunshine, the system features a 100-liter insulated storage tank and high-performance evacuated glass tubes, ensuring reliable hot water supply even during partial cloudy conditions.
Engineered for simplicity and durability, this non-pressure model operates without requiring external water pressure, making it suitable for areas with inconsistent municipal water supply. Its compact design and easy installation further enhance its appeal for residential use, while its corrosion-resistant materials guarantee a lifespan of 10–15 years with minimal maintenance.
Constructed with premium borosilicate glass, the vacuum-sealed tubes absorb up to 94% of solar radiation, maximizing heat transfer to the water. The anti-reflective coating ensures optimal performance in low-light conditions.
The 100L storage tank is made of SUS304-2B stainless steel with polyurethane foam insulation, maintaining water temperatures at 50–75°C for up to 72 hours.
Operates independently of water pressure, reducing risks of leaks and pipe bursts. Gravity-fed water flow simplifies installation and lowers energy consumption.
Includes an adjustable thermostat and heat-preservation layers to prevent overheating or freezing, ensuring safe and stable operation across seasons.
Pre-assembled components and lightweight materials enable quick setup on rooftops, terraces, or ground mounts. A self-cleaning tube design minimizes scaling and debris buildup.
Withstands extreme temperatures (-30°C to 100°C), UV exposure, and hail impacts, certified for use in diverse climates.
Non pressure solar powered water heater specification
Model | Solar Vacuum Tube | Capacity | Absorber Area | Suitable for | |
Pcs | Size(mm) | (L) | () | (Persons) | |
RNE-NC-10 | 10 | 58×1800 | 100 | 1.330 | 2 |
RNE-NC-15 | 15 | 58×1800 | 150 | 1.995 | 3 |
RNE-NC-20 | 20 | 58×1800 | 200 | 2.660 | 4 |
RNE-NC-25 | 25 | 58×1800 | 250 | 3.325 | 5 |
RNE-NC-30 | 30 | 58×1800 | 300 | 3.990 | 6 |
More details of non pressure solar powered water heater technical data
Non Pressure Solar water heater with solar vacuum tubes | |||
Solar Water Tank | 1 | Material of Outer Tank Shell | Galvanized steel with anti corrosive paint |
2 | Material of Inner Tank Chest | stainless steel 304 2B or 316L | |
3 | Water Tank Diameter | 460/360MM | |
4 | Water Tank Insulating Layer | Imported Polyurethane,High Density,50MM | |
5 | Heat Preservation Period | 72～80Hours | |
6 | Welding Method | Argon Arc Welding | |
Solar Vacuum Tube | 7 | Solar vacuum tube structure | All-Glass Double Co-Axial Structure |
8 | Glass Material | High Borosilicate 3.3 Glass | |
9 | Tube Size | diameter 58MM* length 1800MM or 1500MM | |
10 | Outer Tube Dia.&Glass Thickness | φ58±0.7mm,Glass Thickness 1.6±0.15mm | |
11 | Inner Tube Dia.&Glass Thickness | φ47±0.7mm,Glass Thickness 1.6±0.15mm | |
12 | Coating Material | CU/SS-ALN(H)/SS-ALN(L)/ALN | |
13 | Sediment Method | Tri-Element Magnetron Sputtering Plating | |
14 | Absorb Ratio | >96%(AM1.5) | |
15 | Thermal Emissivity | ≤6%/(80℃) | |
16 | Hail Resistance | φ25mm | |
Solar water heater Bracket | 17 | Bracket Material | Stronger Galvanized Steel |
18 | Bracket Angle | 25 / 45° | |
19 | Bolts&Muts | Stainless Steel | |
Assistant Tank | 20 | Assistant Tank Material | Stainless steel |
21 | Assistant Tank Capacity | 5L/8L/20L | |
22 | Assistant Tank Model | Vertical/Horizontal,Optional | |
· Residential Homes: Provides hot water for showers, laundry, dishwashing, and kitchen use in single-family homes or apartments.
· Small Commercial Spaces: Suitable for guesthouses, cafes, clinics, and schools with moderate hot water requirements.
· Off-Grid and Rural Areas: Ideal for regions with limited electricity access or unreliable utility infrastructure.
· Supplemental Heating: Integrates with existing electric/gas systems to reduce energy costs by up to 70%.
· Eco-Friendly Projects: Supports green building certifications (e.g., LEED) and carbon footprint reduction initiatives.
A: The collector should be tilted at an angle equal to the local latitude ±10° to maximize annual sunlight exposure. Adjustments can be made seasonally for enhanced efficiency.
A: Yes. The evacuated tubes and insulated tank prevent freezing down to -30°C. For prolonged sub-zero conditions, a frost-proof valve or auxiliary heating loop is recommended.
A: Annual inspections are advised to check for tube integrity and sediment buildup. Tubes can be cleaned with water and a soft brush; no specialized tools are needed.
A: Yes, but periodic descaling (every 2–3 years) is recommended in areas with high mineral content to maintain efficiency.
A: Most users recover costs within 3–5 years through reduced electricity/gas bills, depending on local energy prices and solar availability.
A: The standard model relies solely on solar energy. Optional electric or gas backup heaters can be integrated for 24/7 hot water assurance.
A: A 5-year warranty covers the tank and tubes, with a 2-year warranty on accessories like brackets and valves.
Combining cutting-edge technology, robust construction, and user-friendly operation, this solar water heater delivers unmatched reliability and sustainability. By reducing dependence on fossil fuels, it offers long-term savings while supporting global environmental goals. Customizable configurations and bulk order discounts are available to meet your specific market needs.
Contact us today to request a quote or learn more about our certifications (ISO, CE, Solar Keymark) and OEM/ODM services!
