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Heater solar water 2
DIY Solar Water Heater – RIWATT Integrated Pressurized Solar Water Heater 100L/150L/200L/300L features high-pressure hot water, fast copper heat pipe heating, durable stainless steel construction, and efficient evacuated tube solar technology for reliable household and project hot water solutions.
DIY solar water heater systems are designed for easy installation, reliable hot water supply, and long-term durability. Featuring integrated pressurized technology, these solar water heaters deliver strong water pressure, fast heating performance, and efficient solar energy utilization for residential and light commercial applications. Available in 100L, 150L, 200L, and 300L capacities, RIWATT DIY solar water heaters are ideal for homes seeking energy-saving and eco-friendly hot water solutions.
RIWATT integrated pressurized solar water heaters use evacuated tubes and copper heat pipes to convert sunlight into efficient hot water heating.
1. Solar Absorption – Evacuated tubes absorb solar energy efficiently.
2. Heat Transfer – The working fluid inside the copper heat pipe evaporates and transfers heat to the water tank.
3. Continuous Circulation – The fluid cools and returns automatically for repeated heating.
4. Pressurized Hot Water – The insulated stainless steel tank delivers stable and strong hot water pressure.
5. Smart Control – Sensors and controller maintain safe and efficient operation.
This system offers fast heating, high efficiency, and reliable hot water supply in different weather conditions.
● With ADJUSTABLE bracket(suitable for both flat roof and sloop roof)
● New designed vacuum tube holder.
● New design electric element cover.
● 316L stainless steel socket.
| Heating Pipe Solar Water Heaters Overview | |||||
| Model: | Solar Vacuum Tube | Aperture Area | Gross Area | Capacity | |
| Item No. | Qty /【pcs】 | Size /【mm】 | 【M2】 | 【M2】 | 【L】 |
| IronMan-100L | 10 | Φ58 X 1800 | 0.94 | 1.546 | 100 |
| IronMan-150L | 15 | Φ58 X 1800 | 1.395 | 2.319 | 150 |
| IronMan-200L | 20 | Φ58 X 1800 | 1.874 | 3.092 | 200 |
| IronMan-300L | 30 | Φ58 X 1800 | 2.811 | 4.632 | 300 |
| Heat Pipe Solar Water Heaters Technical Parameters | ||
| 1 | Model | IRONMAN-SERIAL |
| 2 | Water Tank | |
| 3 | Material of Outer Tank Shell | High Quality Stainless Steel Plate |
| 4 | Material of Inner Tank Chest | Food Grade SUS304-2B SS |
| 5 | Water Tank Diameter | 【360/470 mm】 |
| 6 | Water Tank Insulating Layer | High Density Polyurethane,【55mm】 |
| 7 | Vacuum Tube | |
| 8 | Tube Structure | All-Glass Double-Tube Co-Axial Structure |
| 9 | Glass Material | High Borosilicate 3.3 glass |
| 10 | Tube Size | 58*1800mm * 24 Tubes |
| 11 | Coating Material | 【Cu/SS-ALN(H)/SS-ALN(L)/ALN】 |
| 12 | Sediment Method | Tri-Element Magnetron Sputtering Plating |
| 13 | Absorb Ratio | 0.93-0.96> 92% (AM 1.5) |
| 14 | Emission ratio | 0.04-0.06(800C±50C) |
| 15 | Heat Pipe | |
| 16 | Heat Pipe Material | TU1 Copper |
| 17 | Heat Pipe Condenser Size | 【Ø14mm Diameter】【80mm Length】 |
| 18 | Heat Pipe Body Size | Ø8mm Diameter |
| 19 | Riwatt Heat Pipe Pocket | 【316 STAINLESS STEEL】 |
| 20 | Heat-Transfer-Fins | Premium Complete Type (Super Model) |
| 21 | Max.Working Temp | -37 ~250C |
| 22 | Start-up Temp. of Heat Pipe | <=30C |
| 23 | Working Pressure | 0.7Mpa. |
| 24 | Testing Pressure | 1.2Mpa. |
| 25 | Daily Efficiency | 55% |
| 26 | Heat Pipe Material | TU1 Copper |
| 27 | Bracket | |
| 28 | Bracket Material | Stronger Stainless Steel or Galvanized Steel |
| 29 | Bracket Angle | 27° |
| 30 | Bolts & Nuts | Stainless Steel |
●Integrated pressurized solar water heating design
●High-efficiency evacuated tube heating technology
●Copper heat pipe for fast heat transfer
●Strong household water pressure output
●SUS304 / SUS316L stainless steel inner tank options
●Excellent heat preservation performance
●Corrosion-resistant and durable structure
●Easy DIY installation and low maintenance
●Suitable for flat and sloped roof installation
●Available capacities: 100L / 150L / 200L / 300L
●Energy-saving and environmentally friendly hot water solutionSuitable for residential and light commercial applications
Water tank Solar vacuum tube and bracket: 5 years
Accessories(PT valve, check valve, SR609C controllers, magnesium anode. backing up electrci heating element,vacuum safety valve: 1 year
A DIY integrated pressurized solar water heater is a compact solar hot water system that combines the storage tank and evacuated tube collector into one unit for easier installation and efficient hot water production.
The 1.5mm thick stainless steel inner tank enhances pressure resistance and durability, ensuring long service life and safe operation under high water pressure. It prevents deformation and leakage, making it suitable for multi-storey buildings and pressurized water systems.
The copper heat pipe conducts heat rapidly from the solar vacuum tube to the tank, while the aluminum fin increases the heat absorption area. This combination ensures faster water heating, higher efficiency, and stable performance even in low sunlight conditions.
Yes. It comes with an adjustable flexibility mounting bracket designed for both flat and sloped roofs. The angle can be adjusted according to your local latitude to maximize solar energy absorption throughout the year.
Evacuated tubes absorb solar energy efficiently and reduce heat loss, allowing the system to provide fast water heating even in cold or cloudy weather conditions.
Yes. The integrated pressurized solar water heater can be combined with electric or gas water heaters as a pre-heating stage, reducing energy consumption and extending the life of auxiliary heating systems.
Yeah, sure, we have video on youtube, could you please click here for more installation details? thank you.
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