Low pressure solar water heater, typically, characterized by vacuum glass tubes connected directly into a tank with a small holding tank on top of it. The low-pressure gravity system consists of a vacuum glass tube collector, an insulated storage tank and optional stand parts (make up tank).
Non Pressure Solar Water Heater Specification |
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Water Tank |
1 | Material of Outer Tank Shell | STAINLESS STEEL,SUS-304-BA |
2 | Material of Inner Tank Chest | Food Grade SUS304-2B SS. 0.38mm | |
3 | Water Tank Diameter | 【470/360 MM】 | |
4 | Water Tank Insulating Layer | Imported Polyurethane, High Density,【55MM】 | |
5 | Tube to Tube Distance | 【80MM】 | |
6 | Heat Preservation Period | 72~80 Hours | |
7 | Welding Method | Argon Arc Welding | |
Vacuum Tube |
8 | Tube Structure | All-Glass Double-Tube Co-Axial Structure |
9 | Glass Material | High Borosilicate 3.3 Glass | |
10 | Tube Size | 【58*1800 MM】 【10/15/20/24/30 TUBES】 | |
11 | Coating Material | 【CU/SS-ALN(H)SS-ALN(L)/ALN】 | |
12 | Sediment Method | Tri-Element Magnetron Sputtering Plating | |
13 | Absorb Ratio | > 96% (AM 1.5) | |
14 | Thermal Emissivity | ≤ 6% / (80°C) | |
15 | Pressure Between Tubes (Empty) | 5×10-3 PA | |
16 | Freezing Point | -30°C | |
17 | The Average Heat Loss: ULT | ≦ 0.60W / (M2▪ ℃) | |
18 | Hail Resistance | Ȼ25mm | |
Bracket |
19 | Bracket Material | 【STRONGER STAINLESS STEEL STEEL】 |
20 | Bracket Angle | 【25°/30°/38°】 | |
21 | Bolts & Nuts | Stainless Steel |
MODEL | Vacuum Tube | Capacity (L) | Absorber Area | Suitable for | |
Pcs | Size(mm) | Tank | (M2) | (Persons) | |
OPTIMA-100L | 10 | 58×1800 | 100 | 1.330 | 3~4 |
OPTIMA-150L | 15 | 58×1800 | 150 | 1.995 | 5~6 |
OPTIMA-200L | 20 | 58×1800 | 200 | 2.660 | 7~8 |
OPTIMA-240L | 24 | 58×1800 | 240 | 3.192 | 9~11 |
OPTIMA-300L | 30 | 58×1800 | 300 | 3.990 | 12~13 |
Type | Evacuated Tube |
Tube Size | 58-1800mm |
Pressure | Non-pressure/Low Pressure |
Circulation Type | Other |
Heating System | Thermosyphon (Passive) |
Connection Type | Direct-Plug |
Model Number | OPTIMA-100\150\200\240\300L |
Recommend Region | Asia, Africa, South America |
Application:
Suitable for an apartment, house, villa, a small residence, a hotel room, business building etc…
Domestic and professional hot water : showers and baths, dishwashers, washing machines, hot spas or swimming pools. Multiply capacity with in series / in parallel connection.
Feature:
Hot water at anytime
The G5 solar heater adapts to all your needs for an apartment, a house or residential or hotel project. It is a product suited for everyone
High Performance Solar collectors
Thanks to vacuum tubes, UV rays are captured, and the water heats up more quickly, even in rainy days
Keeps water hot for 3 days
In addition to the vacuum sensors that act as a thermos, the tank is made of sustainable insulated high density polyurethane
30 steps Installation
With its installation manual all in pictures, and its installation video, the Solar Water Heater O6 is ready to be used in 45 minutes
5 year product warranty
With over 25000 water heaters sold worldwide our brand and our products are a symbol of confidence
Compare & save money
Type | Solar Water Heater (50 Gal) | Electric Heater (50 Gal) | Gas Heater (50 Gal) |
Price Tag | $1,190 | $334.80 | $497.14 |
Cost per year | $0 | $579 | $263 |
5 years cost | $1,190 | $3,229.80 | $1,812.14 |
10 years cost | $1,190 | $6,124.80 | $3,127.14 |
The riwatt stainless steel non-pressurized solar water heater (solar geyser) is based on the natural circulation thermosiphon phenomenon. It’s the most cost-effectiveness and environmentally friendly way to harness solar energy for hot water applications, which is unsurpassed by any other solar thermal products, for its most high efficiency, low cost and easy installation.
Stainless steel solar hot water heater characteristic:
1. Adopt stainless steel as outer tank and support material.
2. Most reliable, cost saving, efficient hot water heating solution.
3. Simple structure, easy installation, labor cost saving.
4. Automatic operation with intelligent controller.
5. Low maintenance cost.
1. Inner tank: Stainless steel SS304-2B / SS316L.
2. Outer tank: Stainless steel.
3. Insulation layer: Polyurethane foam, 41 kg/m³ high density.
4. Support: Stainless steel
5. Vacuum tube: Borosilicate glass 3.3, ALN/AIN-SS/CU coating, Φ58×1800mm.
6. Capacity: 50L-360L.
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