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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.
Solar water heating systems, or solar thermal systems, use energy from the sun to warm water for storage in a hot water cylinder or thermal store. Water in the heat exchangers will be heated quickly.
| 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.

These are our vacuum tubes!




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