1.Automatic with thermostat controller 2. Oil tank:48x7.5x20cm,6.7L 3. ... control , Solenoid valve , control box , Big electric fan , Ignition,glow plug,sensor,etc1.Automatic preheater with oil tank and thermostat controller.2. Oil ... of all kinds of large and medium size buses with rear-mounted engine in winter. Automatic air heater with remote controller FJ-150