The utility model discloses a tank heater, which comprises a shell, wherein the shell is provided with a temperature control circuit, temperature control circuit is connected with a heating element, which is characterized in that the heating element seal is installed in the heating tube, the heating tube is arranged in the shell; the utility model of the temperature control circuit and a heating element can be set separately. To avoid the influence of heating element temperature control circuit, reducing the heater temperature error, improve the accuracy of water temperature measurement.
【技术实现步骤摘要】
【技术保护点】
一种鱼缸加热器，包括外壳，外壳内安装有温控电路，温控电路上联接有发热元件，其特征在于所述发热元件密封安装在发热管内，发热管安装在外壳的外侧。
【技术特征摘要】
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