Unique Polymer Protective Coating Technology For Inner Container Resists Corrosion From Hard Water. Heating Element Lasts Longer With Coating Of Magnesium Anode. A 5-Star Rated Product. It Has A High-Desity & Thick Puf That Ensures Energy Efficiency And Reduced Electricity Bills. The Super Polymer Coating Ensures No Contamination Whatsoever, Providing Hygienic Water Supply For Years.The protective polymer coating on the inner container resists corrosion from hard water. The heating element of this water geyser lasts longer as it has a coating of magnesium.This Racold water heater has improved energy efficiency and reduced energy wastage. The thick high-density PUF insulation featured on this water heater prevents excessive dissipation of heat.This water geyser has three safety measures against high temperature and pressure, provided by a high tech adjustable thermostat, cut-out and a multi-function safety valve that conforms to international standards.The high water pressure resistance of this water heater makes it suitable for use in a home that has a pressure pump installed or a high rise building.The special anode used in this water geyser uses an electrolytic process to protect the heating element from corrosion. This enhances its life span.This Racold water geyser has a rustproof outer body that does not corrode.The super polymer coating used in this water geyser prevents water contamination.