Incoloy 800 Heating ElementIncoloy 800 stainless steel heating element with high efficiency of 97.9%, maintains best performance under high temperature & pressure conditions.Water ProofAll water heaters pass IPX4 water proof test for using in humid environment, ensuring long lasting useShock ProofSpecial is structure is designed for regions with electricity problems such as lack of earth wire, wrong wire connections, electricity leakage, to avoid shock accidents.8Bars Rated PressureThe tank is proved to pass 160,000 cycles impulse pressure test under 10 Bars, to ensure working pressure of 8 Bars.