The Jacket Water Heater preheats the engine coolant before starting the engine. By doing so, it helps reduce engine wear, improve fuel efficiency, and minimize emissions. The heater is integrated into the engine's cooling unit and utilizes the engine's existing coolant to transfer heat.Attributes:• Withstands the demanding conditions of engine operation• Thermostat helps ensure that the engine operates within the optimal temperature rangeApplications:The Jacket Water Heater ensures that the engine reaches its optimal operating temperature more quickly, in cold weather conditions.