Separated Pressurized Solar Water Heater Bearing Collector
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Product Highlights
- 5-Year Warranty Coverage: Comprehensive 5-year warranty provided for all mechanical and functional defects.
- Cold Climate Optimized Design: Uses 50/50 propylene glycol mixture to prevent freezing in very cold environments.
- Automatic Backup Heating: Electric or gas backup element automatically switches on when solar energy is insufficient.
- Wide Capacity Range: Available in tank capacities from 150L up to 1000L to suit various household needs.
- High-Quality Inner Tank: Constructed with SUS304 2B stainless steel for durability and corrosion resistance.
- Multiple Certifications: Certified by CE, ISO9001, CCC, RoHS, CB, and SASO for global safety and quality standards.
- Efficient Heat Transfer: Potable water warmed via copper or stainless steel coil heat exchanger contact.
- OEM and ODM Services: Custom manufacturing services available for tailored product requirements.
Product Attributes
- Customization
- Available
- After-sales Service
- Provided
- Warranty
- 5 Years
- Max. Capacity
- >200L
- Structure
- Separate Type
- Pressure
- Pressurized
- Interior Material
- Enamel
- Collector Components
- Glass Vacuum Tube
- Composition
- Tank Insulation
- Certification
- CE, ISO9001, CCC, RoHS, CB, SASO
- Transport Package
- Carton Box
- Trademark
- Tianxu or OEM
- Origin
- China
- HS Code
- 841919
- Production Capacity
- 50000pieces/Year
Product Images of Separated Pressurized Solar Water Heater Bearing Collector
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Product Description



A 50/50 propylene glycol and water mixture from the collectors through a coil of pipe in the solar tank, and then is pumped back through the collectors. The potable water is warmed by heat transfer through contact with the pipe. These systems are pretty much the only choice in very cold climates. When there is not enough energy for sun, an electrical or gas back up element will be automatically switched on by controller.
| Type | Vertical Pressurized Solar Water Heater Tank | |||||||
| Capacity | 150L | 200L | 250L | 300L | 400L | 500L | 700L | 1000L |
| Inner tank | SUS304 2B δ1.2φ360 |
SUS304 2B δ1.5φ450 |
SUS304 2B δ1.5φ480 |
SUS304 2B δ1.5φ480 |
SUS304 2B δ2.0φ580 |
SUS304 2B δ2.0φ580 |
SUS304 2B δ2.0φ580 |
SUS304 2B δ2.5φ800 |
| Outer tank | Color Steel δ0.5φ470 |
Color Steel δ0.5φ550 |
Color Steel δ0.5φ580 |
Color Steel δ0.5φ580 |
Color Steel δ0.5φ700 |
Color Steel δ0.5φ700 |
Color Steel δ0.5φ700 |
Color Steel δ0.5φ1000 |
| PU Foam Insulation | 55mm | 50mm | 50mm | 50mm | 60mm | 60mm | 60mm | 100mm |
| Coil heat exchanger | Copper coil φ12/Stainless steel φ15.88/Flexible pipe φ19 | |||||||
| Working Pressure | Suggest 2bars to 6bars | |||||||
| P/T Valve | Release when pressure is over 7bars or tempertuare is over 95 °C | |||||||
| Electric booster | 1.5KW 220V or 2KW 220V normally | |||||||
| Suitable people | 3persons | 4persons | 5persons | 6persons | 8persons | 10persons | 14persons | 20persons |
Since its establishment in 2002, Shandong Longguang Tianxu Solar Energy Co., Ltd (hereinafter referred to as "Tianxu") has always engaged itself in the R&D, production, sales and service of high borosilicate glass tubes and new energy products including solar water heaters, solar vacuum tubes, solar heat collecting project, air source heat pump, photovoltaic products, etc.
Tianxu has 10 sets of electric furnaces, 70 sets of solar vacuum tube production line and 3 sets of solar water heater production lines. The annual output has reached one million tons of high borosilicate glass, over 16 million solar vacuum tubes makes Tianxu the largest manufacturing base of high borosilicate glass tubes and solar vacuum tubes.
In 2015, Tianxu established a joint venture company with Beijing Tsinghua Solar Co., Ltd- the solar vacuum tube technology initiator in the world. The newly established company has the world's most advanced solar vacuum tube production lines.


About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2251171". Items marked "" are certified.
Company Profile
A leader in China's solar thermal market
The largest and most advanced production base for solar vacuum tubes
The Integrate service provider for new energy system
The drafter of the latest national standard for 3.3 high borosilicate glass.
Shandong Longguang Tianxu Solar Energy Co., Ltd (hereinafter referred to as "Tianxu"), established in 2002 and has always engaged itself in R& D, production, sales and service of high borosilicate glass tubes and new energy products including solar water heaters, solar vacuum tubes, solar heat collecting project, air source heat pump, photovoltaic products, etc.
Tianxu has 10 sets of electric furnaces, 70 sets of solar vacuum tube production line and 3 sets of solar water heater production lines. The annual output of high borosilicate glass has reached one million tons, solar vacuum tubes has reached 16 million.
In 2015, Beijing Tsinghua Industrial Development Institute Shandong Branch settled in Tianxu with Tsinghua University's strong scientific research strength and Tianxu's manufacturing ability.
Meanwhile, Tianxu established a joint venture company with Beijing Tsinghua Solar Co., Ltd. The newly established company has the world's most advanced solar vacuum tube production lines. Now our expertise are now working on solar space heating, solar cooling, sea water desalination, air source heat pump, computer controlled heating systems and photovoltaic application systems.
Here at Tianxu, we are committed to investing technology and manpower to achieve a bright and clean future and to providing simple and effective solutions for families and businesses concerned about rising energy costs.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 489 Beihuan Road, Zhucheng, Weifang, Shandong, China
-
Plant Area
- 133340 square meters
-
Number of Employees
- 406
-
Registered Capital
- 100,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
Our Production Capability & Technical Expertise
-
Main Products
- Solar Water Heater; Borosilicate Glass Tube; Solar Panels; Solar Collector; Solar Vacuum Tube
-
Production Machines
- Air exhaust production line, Welding Machine, CNC drilling machine, Coating production line, Film coating production line, Full-electric high borosilicate glass tube furnaces, Melting furnace, Molding machine, Packaging production line, Solar vacuum tube production line
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 72 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2002-04-05
- Export Year
- 2003-09-01
-
Main Markets
- Southeast Asia/ Mideast
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CCC
FAQ
- What is the warranty period for this solar water heater?
- We provide a comprehensive 5-year warranty covering mechanical and functional defects.
- Is this system suitable for cold climates?
- Yes, it uses a 50/50 propylene glycol and water mixture to prevent freezing in very cold environments.
- What happens if there is not enough sunlight?
- An electrical or gas backup element will automatically switch on via the controller to ensure hot water supply.
- What are the available tank capacities?
- The system is available in capacities ranging from 150L to 1000L, including 200L, 250L, 300L, 400L, 500L, 700L, and 1000L.
- What material is used for the inner tank?
- The inner tank is made of high-quality SUS304 2B stainless steel with varying thicknesses depending on the capacity.
- Does this product have international certifications?
- Yes, it holds CE, ISO9001, CCC, RoHS, CB, and SASO certifications.
- Are OEM and ODM services available?
- Yes, we offer both OEM and ODM services to meet specific customization needs.
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