Powered by Made-in-China.com

500L Split Evacuated Tube Pressure Solar Hot Water Heater/Solar Heating System
US$100.00-1,000.00
1 Set
Product profile
Customization
AvailableAfter-sales Service
ProvidedWarranty
5 YearsMax. Capacity
>200LStructure
Separate TypePressure
PressurizedInterior Material
EnamelCollector Components
Glass Vacuum TubeComposition
Tank InsulationCertification
CE, ISO9001, CCC, RoHS, CB, SASOTransport Package
Carton BoxTrademark
Tianxu or OEMOrigin
ChinaHS Code
841919Production Capacity
50000pieces/YearKey features
5-Year Warranty Coverage: Comprehensive 5-year warranty provided for all mechanical and functional defects.
Cold Climate Optimization: Designed for very cold climates using 50/50 propylene glycol and water mixture.
Automatic Backup Heating: Electric or gas backup element automatically switches on when solar energy is insufficient.
Multiple Capacity Options: Available in 8 sizes ranging from 150L to 1000L to suit various household needs.
High-Grade Inner Tank: Constructed with SUS304 2B stainless steel for durability and corrosion resistance.
Advanced Insulation: Features PU foam insulation ranging from 50mm to 100mm for superior heat retention.
Comprehensive Certifications: Certified by CE, ISO9001, CCC, RoHS, CB, and SASO for global safety standards.
OEM and ODM Services: Full customization services available including design and manufacturing support.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2003-09-01 CertifiedNearest Port: Qingdao PortAverage Response Time: >24h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryShandong Longguang Tianxu Solar Energy Co., Ltd. is a China-based limited company established in 2002, with 406 employees and a large manufacturing site in Shandong. The supplier develops and manufactures solar water heaters, solar vacuum tubes, high-borosilicate glass tubes, heat pumps, photovoltaic products, and energy-storage systems. Evidence indicates substantial production infrastructure, including more than 10 production lines, 10 electric furnaces, 70 solar vacuum tube lines, and 3 solar water heater lines. It reports ISO9001:2015 and ISO14001:2015 certification, 72 R&D engineers, 50 quality-control staff, and cooperation involving Tsinghua-related organizations. Export activity is significant, with 71%–90% of sales reportedly from exports and markets including Southeast Asia and the Middle East. However, the provided information does not substantiate after-sales processes, customer case studies, customized manufacturing procedures, or financial reliability.
Supplier typeThe supplier is identified as a limited company based in Zhucheng, Weifang, Shandong, China, while one record categorizes it as a trade company. Its described activities and product range show substantial manufacturing involvement in solar thermal, glass, heat-pump, photovoltaic, and energy-storage products.
CertificationsThe supplier reports ISO9001:2015 and ISO14001:2015 certificates, along with other unspecified certifications. These explicitly support quality-management and environmental-management system credentials, although the unspecified certifications cannot be assessed further.
R&D capabilityThe supplier reports 72 R&D engineers, involvement with Beijing Tsinghua Industrial Development Institute and Beijing Tsinghua Solar Co., Ltd., advanced solar vacuum tube production lines, and work across solar heating, cooling, desalination, heat pumps, and photovoltaic systems. It also states that it drafted a national standard for 3.3 high-borosilicate glass, providing explicit evidence of R&D and technical-development capability.
Production capacityProduction capacity is supported by 406 employees, a 133,340 m² manufacturing plant, more than 10 production lines, 10 electric furnaces, 70 solar vacuum tube lines, and 3 solar water heater lines. The supplier also reports annual production of one million tons of high-borosilicate glass and 16 million solar vacuum tubes, plus lead times within 15 workdays in both off-peak and peak seasons.
Product Q&A
Q:What is the warranty period for this solar water heater?
A:
We provide a comprehensive 5-year warranty for all our solar water heaters.
Q:Is this system suitable for cold climates?
A:
Yes, these systems are specifically designed for very cold climates using a 50/50 propylene glycol and water mixture.
Q:What happens if there is not enough sunlight?
A:
An electrical or gas backup element will be automatically switched on by the controller to ensure hot water supply.
Q:What materials are used for the inner and outer tanks?
A:
The inner tank is made of SUS304 2B stainless steel, and the outer tank is made of color steel.
Q:Can I customize the product size and design?
A:
Yes, we offer both OEM and ODM services with capacities ranging from 150L to 1000L.
Send Inquiry
*To:
Shandong Longguang Tianxu Solar Energy Co., Ltd.
Shandong Longguang Tianxu Solar Energy Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
50L-500L Stainless Steel Thermal Solar Vacuum Evacuated Tube Solar Hot Water Heating System for Home
US$50.00-300.00
1 Set(MOQ)
1000L 2000L 3000L-500 000liter Largescale Solar Hot Water Heating System
US$2,000.00
1 Piece(MOQ)
Hot Water Solar Heating System
US$260.00-300.00
5 Pieces(MOQ)
Solar Hot Water Heating System
US$500.00-3,000.00
1 Set(MOQ)
300L Pressurized Split Solar Water Heating System with Solar Collectors
US$100.00-1,000.00
1 Set(MOQ)
300liter Solar Hot Water System
US$700.00-1,000.00
1 Piece(MOQ)
Factory Wholesale Price Direct Heating Hot Water Solar System with CE
US$50.00-300.00
1 Set(MOQ)
Home Appliance Split Pressurized Solar Water Heater / Home Solar System
US$100.00-1,000.00
1 Set(MOQ)
Integrated Solar Hot Water System
US$260.00-300.00
5 Pieces(MOQ)
High Pressure Tropical Solar Water Heating System
US$260.00-300.00
5 Pieces(MOQ)
Anti-Freezing Indirect Active Solar Water Heating System for Domestic Hot Water
US$100.00-1,000.00
1 Set(MOQ)
Split Heat Pipe Pressurized Solar Water Heating System
US$300.00-1,000.00
1 Piece(MOQ)
Solar Hot Water Heater Solar Thermal Systems for Commercial
US$100.00-1,000.00
1 Set(MOQ)
Advanced Solar System for Efficient Water Heating and Energy Savings Heater
US$200.00-1,200.00
10 Sets(MOQ)
300L Galvanized Steel Split High Pressure Flat Plate Solar Water Heater System
US$899.00-1,499.00
1 Set(MOQ)



















