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

