Preheated solar water heater

Compact non-pressure solar water heaters with copper coil sets inside the inner tank, then open system supplys pressure hot water.

Features
- It takes the advantage of the tap water's pressure. More pressure, more comfortable.
- Multi-functional thermosiphon solar water heater with the copper coil heat exchanger can provide hot water and heating simultaneously.
- Easy to install, if only need hot water, you can install the system at any places facing the sun.
- Languishingly constant temperature and instant hot water.
- Longer evacuated tubes and thicker insulation layer ensure higher efficiency.