Pressurized Solar Water Heater with Preheating Coil
This solar water heater uses a copper coil as the heat exchanger. It takes advantage of tap water pressure for easy operation and installation.



Technical Specifications
Overview
High-Efficiency Pressurized Solar Thermal System
This pressurized solar water heater features an integrated copper preheating coil designed for enhanced thermal efficiency and reliable hot water delivery. The system utilizes high-borosilicate 3.3 vacuum tubes with AL/N/AL selective absorption coating to maximize solar gain. Engineered for durability, the unit incorporates an SUS304-2B stainless steel inner tank and a robust color steel outer shell, ensuring long-term performance in both residential and commercial settings.
Technical Specifications
- Evacuated Tube Size
- 58mm x 1800mm
- Material Composition
- SUS304-2B Stainless SteelHigh Borosilicate 3.3 GlassPolyurethane Foam InsulationGalvanized Steel Bracket
Performance Data
System Performance Metrics
| Tube Count | Collecting Area | Copper Coil Length |
|---|---|---|
| 15 | 1.92㎡ | 24m |
| 20 | 2.60㎡ | 26m |
| 24 | 3.12㎡ | 28m |
| 30 | 3.90㎡ | 30m |
Estimated Service Life
Construction Details
- Insulation Thickness
- 55 cm
- Inner Tank Thickness
- 1.2 mm



