Inside the tank there is a coil of tubing loop together to chase down level is chasok top to bottom of the. This is called the shell by winding coil by winding it in hot water and cold water will just.
Inside the tank is a coil of pipe layers, gradients screw down the top to the bottom of the shell is called a coil by coil by coil, hot water, cold water will be in the periphery.
Inside the tank is a coil whirl layer gradient ลงจ and top down to the bottom of shell by winding this is called coil by hot water will be in the coil cold water will be outside.