Electric water heaters are protected against dry burning, scalding, overheating, physical shields, splashing, leakage, water and electricity separation, magnetic induction, overpressure, water shutdown, backflow, and power outage memory functions. Quick hot water heaters mainly include pre installed dual mode electric water heaters, 3D fast thermoelectric water heaters, and intelligent capacity increasing electric water heaters.

Although the volume of an ordinary fast heating electric water heater is similar to that of a dual mode electric water heater, the internal structure is vastly different. Compared to a water storage electric water heater, a fast heating electric water heater is only smaller in size and has higher power, so it is indeed faster in heating speed than a water storage electric water heater. However, it cannot achieve instant heating in spring and autumn and needs to be preheated, which requires waiting. However, a dual mode electric water heater can only achieve instant heating in spring and summer The instant heating mode is available for the three seasons of autumn, which is instant heating.

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