... .pecking:In Standerd Exported Carton.8.Accessorues:Electrical Heating,SafetyValve,Magnesium Bar,Temperature Sensor,Controller,Electrical Elements,etc.9.Copper Heat ... Water Heater Setting,Automatic Temperature Control Exchanger,And Increase Anode Magnesium Bars Sticking To Prevent Furring.3.The Insulating Layer Uses ...