Non-pressurized product without water tank, it is the cheapest solar water heater.

1) Designed for commercial solar water heating applications
2) Reliable, efficient, twin-glass solar tubes
3) Polyurethane insulation ensures good heating performance and minimal heat loss
4) Manifold cover's material: stainless steel or galvanized sheet
5) Frame material: 1.2mm thick all stainless steel
6) Easy plug-in installation
7) Can be connected in series to increase water heating capacity.111