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Ask Jaybot Kotatsu heating element


6 Mar 2003
Do the heating elements on electric kotatsu go bad? Is it dangerous to use one that is 30 years old?
Yes, like any other electrical appliance, the heating elements on an electric kotatsu can go bad over time due to wear and tear, rust, and other factors. Using a kotatsu with a bad heating element can lead to uneven heating, a reduced temperature output, or failure to generate heat at all.

Using a 30-year-old kotatsu can carry certain risks, especially if the heating element has not been maintained or serviced regularly. Old electrical appliances can be prone to short circuits or overheating, which can cause fires or electrical shocks. Moreover, over time, components used in the kotatsu may degrade, become brittle or delaminate, which can cause further safety issues.

Therefore, it is essential to inspect and maintain the heating elements of your electric kotatsu regularly. Kotatsu heaters generally have a lifespan of several years, and it is recommended to replace the heater when it is no longer functioning correctly. Additionally, when in doubt about the safety of an old heating element or kotatsu, it is best to consult with a professional or electrician before using it.
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