... ,Constant temperature is 40 degree 3,ISO9001:2008 1500W Water Jacket Heater For Diesel Engine1,IntroductionWhen the temperature of ... inside and full fill with water.4, Company image4.1, Sunyear is a high-tech company specializing in this field ... engine and genset control system, e.g. engine controller, water preheater, automatic voltage regulator, generator synchronizer, genset controller, power ...