Ed RZL40-15GW2 electric water heater circuit principle

According to the water storage method, the electric water heater can be divided into three types: instant type and volume type (also called water storage type or heat storage type) and quick heat type (also called semi-storage type); volumetric type is the main form of electric water heater. According to the different installation methods, it can be further divided into vertical, horizontal and floor type. According to the pressure or not, it can be divided into simple type (open type) and pressure type (closed type), which can be distinguished by volume. For large volume and small volume.