... Heater 1,Preheat engine when the enviroment is below 4 degree 2,Constant temperature is 40 degree 3,ISO9001:2008 1500W Water ... Jacket Heater For Diesel Engine 1,IntroductionWhen the temperature of use ... cooling, then the engine would be damaged.Water jacket heater applied to preheating oil and water for all types of diesel engines, the ...