Polyurethane Foam Insulated Instant Electric Water Heater is fitted with anti-syphon system which prevents the back flow of water from the container, thus avoiding dry heating. The Electric Water Heater is designed with non-corrosive outer body that prevents rusting ensuring longer life of water heater. The Electric Water Heater is featured with three level safety against high temperature and pressure. The Electric Water Heater is provided with stem type thermostat and cut out which ensures automatic temperature control and safety. The Electric Water Heater is insulated with high density polyurethane foam that retains the temperature of water for a longer period of time. Polyurethane Foam Insulated Instant Electric Water Heater has high pressure withstanding capacity of up to 6.5 bar which makes it suitable for high rise buildings and pressure pump applications.