... .0mm Copper coil numberNone, Singel, Double in optionalCOMPONENTSEach tank equip with a Electric heater, a Magnesium bar, a P/T valve, a ... -1000L10002.5 φ 8000.5φ 100021001001515+15Above offer include the Water tank, Components. Copper coil as your need. Water storage tank, solar water tank, pressurized tank.