EJK mini electric heater - 3000 W for SG Plus
EJK Mini heaters are designed for SG Plus 100, SG Plus 120, SG Plus 140, and ZWU-200/N Plus enamel domestic hot water cylinders and serve as an additional heating element. The heater has a non-automatic temperature limiter, referred to as STB, which protects it from overheating and cuts off the power supply to the heating unit if the temperature controller is damaged.