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Comparison Siemens TW 86103 black vs Bosch TWK 8613 black

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Siemens TW 86103 black
Bosch TWK 8613 black
Siemens TW 86103 blackBosch TWK 8613 black
from 3 979 ₴
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TypeElectric KettleElectric Kettle
Designhigh techhigh tech
Volume1.5 L1.5 L
Technical specs
Power consumption2400 W2400 W
Heating elementhiddenhidden
Coating of the heating elementaluminiumstainless steel
Water level indicatorbehind the handle (from the side)behind the handle (from the side)
Thermostat
Temperature adjustment70, 80, 90, 100 °C70, 80, 90, 100 °C
Maintaining t° (kettle)
 /Keep-warmSensor/
Opening the lid with a button
General
Body shapecylindricalcylindrical
Double-walled
Materialplasticplastic
Weight1.4 kg1.6 kg
Color
Added to E-Catalogdecember 2011december 2010

Coating of the heating element

The outer covering of the heater is a significant factor in determining the characteristics of the kettle because it is in direct contact with the heated water. Therefore, the material used for this coating is an essential consideration in the kettle's properties.

— Stainless steel. "Stainless steel" is the most commonly used coating for kettles as it is affordable and provides good resistance to scale buildup. However, compared to more advanced materials, it may not offer the highest level of scale resistance.

— Aluminium. Another common material, slightly more expensive and resistant to scale than stainless steel, but in general not having significant differences.

— Ceramic. Ceramic coating is known for its exceptional resistance to both scale and corrosion. Although it cannot provide a complete guarantee against scale buildup, it does tend to form plaque at a much slower rate than on surfaces made of steel or aluminium. Additionally, many of these heaters can be cleaned with more aggressive descaling products that would not be suitable for metal coatings. However, due to their high cost, ceramic coatings are typically only used in premium kettles.

— Silver. Silver is another premium material that has good resistance to both scale and corrosion. In addition, it also possesses some antibacterial properties, making it a suitable choice for those who use the kettle to store cooled boiled water. However, the cost of silver pla...ting is quite high.

Opening the lid with a button

Kettles (see "Type") in which the lid opens at the touch of a button. This opening is faster and more convenient, and often safer than the traditional way (grab the lid and pull it up): the lid can get quite hot when the kettle is in operation, and long contact with it is fraught with burns. And although the button can also be placed on the lid, a short press is enough to activate it, and even in such cases the risk of getting burned is minimal. On the other hand, opening the lid with a button complicates the design of the kettle and reduces its reliability.

Double-walled

Double-walled are found mainly among traditional electric kettles.

This design performs several functions at once. First of all, it significantly improves thermal insulation, allowing the kettle to retain heat longer and save energy when heating. Also, double-walled increase strength and reliability — it is more difficult to break through such a wall or noticeably damage it than a single one. And in some models, the outer side is made of plastic, and the inner side is made — of metal; this allows you to combine the advantages of both materials without a significant increase in cost.
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