... broken don't influence the system working 6.The design for inner tank is reasonable and scientific, which could hold 100, 000 ... brackets for both flat and inclined roof8.The system is pressurized,it keep a constant temperature of water in the tank, avoid ... /(m2.C)Bracket:1.5mm thickness Galvanized SteelStructure of tank:5 holes for air vent,water inlet and outlet,electric heater,Mag ...