The heating components of an electric water heater are usually installed inside the water heater. These components not only need to be able to withstand high temperatures and pressures, but also need to ensure the efficiency of hot water. The heating components of an electric water heater are an important component of the water heater. They not only need to be able to withstand high temperatures and pressures, but also need to ensure the efficiency of hot water and the safety of users.

After the 1920s, there were not as many new applications and developments as in the previous period, but during this period, all kinds of electric heating appliances were redesigned and continuously improved, becoming a stage of improvement in the history of electric heating appliances. In terms of household electric heating appliances, various appliances are designed to be more beautiful, durable, and sturdy, and most of them have automatic temperature and time control.