| The steel tank is coated with vitreous (glass) enamel making it both corrosion resistant and hygienic. | Offers added protection against corrosion by mechanically maintaining the potential difference of the different materials within a plumbing system. | This high density environmentally friendly CFC free material offers excellent insulation reducing the need to reheat. | The storage tank is constructed from high quality steel for high pressure operation. | Ability to adjust the domestic hot water temperature range. |