Stainless steel heating element for instant electric water heater

Stainless steel heating element or copper heating element use the same instant heating tech and the same inner structure to instant electric water heater, only the material is different. Stainless steel is worse than copper, easy to get rust and scale. This struture called ‘Cup Structure’, which works similar to one cute size storage water heater. Its advantage for copper heating element is owning better corrision resistance, better heating-conduction and insulation properties.

3 Points You Should Consider Before Choosing Copper (Stainless Steel) Heating Element to instantaneous water heaters.

Lower Heat Efficiency

With the ‘Cup Structure’, the heating tube is immersed into water for long-term. During the heating process, the heating tube pass the high temperature to those water near tube wall, and then pass heat to surrounded water by the thermal motion of water molecute. The heating-transfer and heating-conduction for water is quite slow, that’s why its heat efficiency is weak.

Electricity Leakage Potential

Under long-term condition of high temperature and pressure, heat expansion and cold contraction, heat focus on tube surface, it is easy to get large limescale on the heating tube surface. The result is its heat transfer speed is decreased, heat efficiency is lowered. Once tube surface’s temperature is increased, the tube will crack or explode one day. What’s wore, the insulation layer will be affected by damp. Electricity Leakage potential dagerous is there.

Copper heating element

Unstable Constant Temperature Function

No water channel, cold water from the buttom of “Cup Structure”, flow out from its top. Water inside the “Cup Structure” is doing irregular movement, that’s why outlet water temperature is hot and cold.

What kind of heating element is more reliable in the near fucture ? Don’t Miss It !!!

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