Sunrain Professional Solar Water Heater
Sunrain Compact Solar Water Heater with Coil Heat Exchanger
1). Top quality product with 5 years warranty.
2). Solar water heater can supply enough hot water for 6 to 8 people.
3). Simple structure, simple for installation, simple for maintenance.
4). Test pressure 10 Bar, operating pressure 6 Bar, water heater can be connected directed with city water.
5). Optional electric heater back up: 1.5KW.
6). Solar water heater inlet and outlet size: 1/2inch.
7). Inner tank material: SUS304- 0.6mm thickness.
8). Branding: Sunrain or OEM.

Working principle


Model: | TZ58/1800-15E | TZ58/1800-20E | TZ58/1800-25E | TZ58/1800-30E |
Volume: | 150L | 200L | 250L | 300L |
Material of inner tank | 0.5mm SUS304 | |||
Material of insulation: | 50mm Polyurethane | |||
Electric resistance: | 1.5kW | |||
Copper coil: | φ12mm | |||
Working pressure: | ≤0.6MPa | |||
Max. testing pressure: | 1.0MPa | |||
Size of pipe connection: | G 1/2" | |||
Angle of frame: | 23°/30°/45° | |||
20GP/40GP/40HC Loading Qty: | 36/75/89 | 28/59/70 | 23/49/58 | 20/42/49 |
We can supply complete plumbing fittings for you installation, 3D design, easy for installation.
Jiangsu Sunrain Solar Energy Co., Ltd, founded in 1999, is a globalized clean energy utilization company and one of the top 500 new energy enterprises in the world.
In China, Sunrain is A-share main board listed(Code:603366) company in new clean energy industry, with certified Enterprise Technology Centerand CNAS National Certified Laboratory.
We have four production bases in China, and a perfect industrial chain, processing plants and research& development centers. We will ramp up resources to develop more core technologies.
What can you buy from us?
Heat Pump, Solar Water Heater, Solar Collector, Energy storage battery and so on, we distribute our products to more than 100 countries and regions worldwide.

Q1: Are you a manufacturer?
RE: Yes, we are one of the top 5 solar water heater factories in China, with an export value of approximately 110 million US dollars in 2024.
Q2: What kinds of certificates have you obtained?
RE: We have obtained CE, ERP, KEYMARK, BAFA, SG Ready, MCS, UKCA, PED, ROHS and REACH certificates.
Q3: What is your main product?
RE: Our main products include solar water heater, solar collector and solar energy battery.
Q4: How do I place an order?
RE: Please send us an inquiry or contact us through online services; After receiving your inquiry, we will reply to you Catalogs, quotations, and other information you need.
Q5: Do you provide OEM/ODM customized manufacturing services?
RE: Yes, we warmly welcome your heat pump OEM/ODM opportunities. We can produce European standard solar water heaters under your brand according to your special needs.
Q6: Can I apply to become your solar water heater distributor?
RE: We are currently looking for more solar water heater distributors worldwide, who can distribute our heat pump products in local countries/regions. Q7: I need to buy in large quantities. Can you provide a sample service?
RE: Yes, we can provide sample service, and we have engineers to help you solve installation problem.
Michael