1.ABS material shell, white or silver colour  for option
2.Mechanical Control with Thermostat knob
3.Underbasin and overbasin mounting option
4.Enamel Tank, thickness 1.5mm
5.Non-fluorine Polyurethane Foaming Insulation Layer
6.Protection against dry heating / Over-temperature        
7.With Encloy 800 Element , "Kawai" brand                    
8.With Magnesium anode(AZ31)Φ21x200, and Safety Valve