How long is the typical service life of a liquid heater?

The service life of a liquid heater varies depending on factors such as product type, quality, and usage conditions. The following is a rough range of the service life of some common liquid heaters:
Electric kettle: Under normal use, the service life of an electric kettle is about 2-5 years. If it is used frequently or not maintained properly, problems may occur in about 2 years; if it is used less frequently and maintained properly, some high-quality electric kettles can be used for 5 years or even longer.
Built-in heater for water dispenser: The service life of the heater in the water dispenser is usually 3-8 years. Since the heating function of the water dispenser is not used continuously and generally has certain requirements for water quality, its heater can be used for a long time under normal maintenance and use conditions. However, if the water dispenser is in a harsh environment for a long time or is used improperly, it may also cause the heater to be damaged prematurely.
Household water heater: includes storage electric water heaters and gas water heaters. The service life of storage electric water heaters is usually 8-12 years, and the service life of gas water heaters is generally 6-10 years. However, if the water quality is poor, it will accelerate the scaling and corrosion inside the water heater, thus shortening its service life; in addition, factors such as high frequency of use and untimely maintenance will also affect its actual service life.
Industrial liquid heater: The service life of industrial liquid heaters varies greatly, generally around 5-15 years. Some large, reliable and well-maintained industrial heaters can be used for 10-15 years or even longer under normal working conditions. However, if it works in harsh industrial environments, such as high temperature, high humidity, strong corrosion, etc., or frequently runs at full load or overload, its service life may be shortened to 5-8 years.
These data are only approximate reference ranges, and the actual service life may vary due to various factors. In order to extend the service life of the liquid heater, it is recommended to use and maintain it correctly according to the product manual, and to conduct regular inspections and maintenance.