Ceramic bobbin heaters are used for direct heating of air and indirect heating of liquids. When it is inserted into a thermowell, it offers a large heated area to the liquid or semi-solid to be heated. Material such as oil, wax, fats and bitumen require low heater surface temperature to prevent product degradation. The ideal feature is such heater is that it may be removed for repair or replacement without draining the contents of the vessel. Applications : » Water » Transformer Oil Tank » Chemical Tank