PTC heater, self controlling heater, long life, stainless steel pipe, easy to assemble. Water heater1) ... PTC, cubage of water, the shape and material of container, heating dispersion, vaporation of water. 6) For preventing corrosion, the surface ... °C40°C90%7.8KW35.5AFor more information of our water heating element, please visit our website http://www.tiancheng-ptc.com ...