300liter Indirect Solar Water Heater
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Product Highlights
- 5-Year Warranty Coverage: Comprehensive 5-year warranty provided for all mechanical and functional components.
- Split System Design: Collector and tank are separate, allowing flexible installation on walls, roofs, or balconies.
- Stainless Steel Construction: Inner tank made of SUS304 or 316L stainless steel for superior rust resistance and longevity.
- Automatic Temperature Control: Smart controller manages pump circulation based on temperature difference for constant hot water.
- High Efficiency Heat Transfer: Utilizes copper heat exchanger and heat pipe solar collector for optimal thermal performance.
- Integrated Safety Features: Equipped with expansion vessel, electric heating element, and safety valves for secure operation.
- CE and ISO9001 Certified: Product meets international quality and safety standards with CE and ISO9001 certifications.
- Fast Production Lead Time: Ready for shipment within 15 working days during both peak and off-peak seasons.
Product Attributes
- Customization
- Available
- After-sales Service
- Yes
- Warranty
- 5 Year
- Model NO.
- RNE-SPFS-300
- Max. Capacity
- >200L
- Structure
- Separate Type
- Pressure
- Pressurized
- Interior Material
- Stainless Steel
- Collector Components
- Glass Vacuum Tube
- Composition
- Connecting Pipe
- Certification
- CE, ISO9001
- System Type
- Split Solar Water Heating System
- Tank Capacity
- 300L
- Inner Tank Material
- SUS304 Stainless Steel 2.0mm
- Outer Tank Material
- Galvanized Steel 0.5mm
- Insulation
- Polyurethane Foam 50mm
- Solar Collector
- Heat Pipe Solar Collector
- Expansion Vessel
- 24L
- Pump Station
- Sp116
- Accessory
- Electric Heating Element, Mag Rod, Tp Valve
- Transport Package
- Carton
- Specification
- 300L
- Trademark
- RAVEN NEW ENERGY
- Origin
- China
- HS Code
- 84191910
- Production Capacity
- 2000PCS/ Month
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Product Description
This system is specially designed for household, villa . It consists of followed parts: flat panel solar collector, storage water tank , solar working station , expansion vessel.

Specialty:
- Collector separate with water tank, system works by pump circulation.
- Automatic controlling system, reliable operation, supply constant water temperature.
- Water tank can put anywhere inside house, avoid gradual rust and last long lifetime.
- Collector can be installed wherever available like balcony, wall, roof etc.,
-
Easy and convenient installation and operation, unified with the building completely.
Working Principle:
Adopt the temperature difference circulation, controller operates whole system automatically.
1. Pump will start circulation when temperature difference between collector and water reaches the set value.
2. Pump will stop circulation once the temperature difference lower than set value.
3. The circulation pump makes heat-conducting liquid circulate automatically
4. The heat-conducting liquid transfers heat to the water tank by copper heat exchanger.
5. Assistant heating element will start if hot water does not reach set value.
Storage water tank specification:
| Model | 100L | 200L | 300L | 400L | 500L | ||
|
Inner vessel dia.(mm) |
φ365 | φ440 | φ480 | φ600 | φ600 | ||
|
Water tank dimension(mm) |
φ470 | φ540 | φ600 | φ700 | φ700 | ||
|
Material & thickness Inner tank |
SUS304-2B /316L 1.2mm |
SUS304-2B /316L1.2mm |
SUS304-2B/316L1.2mm |
SUS304-2B/ 316L 2.0mm |
SUS304-2B/316L 2.0mm |
||
|
Material & thickness Outer tank |
Color steel 0.5mm | ||||||
|
Insulation thickness PU (mm) |
50 | 50 | 60 | 50 | 50 | ||
|
Heat exchanger Surface area |
Top (m2) |
---- | 0.6 | 0.6 | 0.8 | 0.8 | |
|
Bottom (m2) |
0.7 | 0.7 | 0.7 | 1 | 1 | ||
| Rated heating power | 1.5KW | 2.5KW | 2.5KW | 2.5KW | 2.5KW | ||
|
Overall dimension (references)(mm) |
φ470×1150 | φ540×1510 | φ600×1840 | φ700×1600 | φ700×1920 | ||
| Packing case size(mm) | 1230×500×500 | 1580×590×590 | 1930×650×650 | 1590×750×750 | 1930×750×750 | ||
| Weight(references)(Kg) | 33 | 50 | 72 | 102 | 126 | ||
Production flows



For more details, please send email to us , thank you !
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR234917". Items marked "" are certified.
Company Profile
CHANGZHOU RAVEN NEW ENERGY TECHNOLOGY Ltd was established in 2008, and is located in Changzhou city, Jiangsu Province, China. With convienent transportation and beautiful environment. Our company covers as area of 45000 square meters and has over 100 employees.
We are specialized in solar energy saving products production and selling. Our company has rich experience in the solar industry. As a professional solar system supplier, we have excellent teams who focus on product development & design, quality control & inspection and company running. Our products were exporting to more than 80 countries.
Our main products including solar BBQ oven, solar oven, solar BBQ grills, low pressure and high pressure compact solar hot water heater, split high pressure solar water heating systems, solar geysers, solar thermal panels, heat pipe solar colelctors, evacuated tube solar collectors, off grid & grid tie solar PV power systems, mono and poly solar PV panels, growatt solar PV inverters, solar LED lights, Wilo hot water circulation pumps and so on. We are making great efforts to develop new products to meet different customers requirements. Adhering to the business principle of mutual benefits, we have a good reputation among our customers because of our perfect services, quality products and competitive prices. We warmly welcome clients from all over the world to cooperate with us.
Our promise is Raven New Energy makes sun works for you! Raven New Energy solar thermal and solar PV systems are enjoying a leadership role in solar application in domestic, commercial & Industries. The main goal is to provide the low cost & high quality of solar energy saving products for all over the world. We strongly believe that the customized application development is essential for the promotion of solar rooftop & thermal hense we have always emphasized on development in house research team. Solar thermal and solar PV has been key business vertical which helps to save recurring energy expense.
About Our Factory & Business Background
- Address
- No. 622, 5 Block, Huijin Zhiye Plaza, Zhonglou District, Changzhou, Jiangsu, China
- Terms of Payment
- T/T, Western Union, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CIF, DDP
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- Shanghai
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2020-02-04
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the warranty period for this water heater?
- We provide a comprehensive 5-year warranty for all our solar water heating systems.
- Can the water tank be installed inside the house?
- Yes, the storage tank can be placed anywhere inside the house, such as a bathroom or utility room, while the collector is installed outside.
- What material is used for the inner tank?
- The inner tank is constructed from high-grade SUS304 or 316L stainless steel to prevent rust and ensure a long service life.
- How does the automatic control system work?
- The system uses a temperature difference controller to automatically start the circulation pump when the collector is hotter than the tank and stop it when the difference drops.
- What is the maximum capacity available?
- This system is available in multiple capacities ranging from 100L to 500L, all exceeding 200L options.
- Is there an auxiliary heating option?
- Yes, an electric heating element is included to ensure hot water supply when solar energy is insufficient.
- What are the payment terms?
- We accept payments via T/T, Western Union, and Money Gram.
- How long does it take to produce and ship the order?
- The average lead time is within 15 working days regardless of the season.
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