Premium Finish Rust Proof Outer Body: High quality polymer engineering that prevents outer body from rusting Food Grade Inner Tank: 304 Grade Stainless Steel Inner Tank; also suitable to be used in the kitchen Powerful Heating: 3000-Watts Copper Heating Element for 33% faster heating 4-Level Safety: Thermostat, automatic thermal cut-out, pressure release valve and a fusible plug to ensure complete safety Withstands a pressure of 6.5 Bar: Suitable for high rise buildings and pressure pump applications Twin LED Indicator: LED Indicator for power on & heating function Be worry-free with longer warranty: 5-year tank warranty & 2-year product warranty