Solar Water-Heaters types SCE-11

SCE-11 The collecting tubes are made of single borosilicate glass and are vacuum heat insulated 5×10 -3Pa. Red copper pipes assembled with specially formed aluminum plates with high temperature absorptive coatings – Aluminum Nitride are concentrically located in the glass tubes. A special agent in copper pipes is heated and conducts indirect heat energy to the water in the tank.
The system is equipped with electric heater and remote temperature controller.