... Used in automobile, such as bus, vehicle, for pre-heating diesel system. The 0# diesel will be freezed ... be used for low temperature. Using heater to pre-heat the diesel, 0# diesel could be started ... at low temperature.PTC Heater for diesel oil pre-heat is self-controlled it’s temperature, the ... .Assemble the heater near the diesel exit, and pre-heat diesel before starting, then the diesel would ...