... stainless steel inner tank 3. High density import polyurethane. Separated Storage Water Tank---Pressurized TankCE,SRCC, ... heater, a Magnesium bar, a P/T valve, a Pressure release valve and Electric control boxModel No.Water CapacityInner tank (SUS304)Outer tank ... +15Above offer include the Water tank, Components. Copper coil as your need. Water storage tank, solar water tank, pressurized tank.