Water Jacket Heater 1,Preheat engine when ... temperature is 40 degree 3,ISO9001:2008 1500W Water Jacket Heater For Diesel Engine 1,IntroductionWhen the ... the engine would be damaged.Water jacket heater applied to preheating oil and water for all types of diesel ... and genset control system, e.g. engine controller, water preheater, automatic voltage regulator, generator synchronizer, genset controller ...