... to mix together.2.The tank inside the building, the connection pipe between the tank and water tap is very short, so ... :100L,150L,200L,250L,300L,400L,500L ModelTank CapacityHeat pipe or U Pipe CollectorWork StationQty (20"/40" FCL)58X1800No.ITM-150150L58X180015 (1 ...