HT40M Water Heater enjoys wide application on various engine coolant pre-heated. It has fine cast aluminum enclosure and self-extinguishing engineering plastics end closure, easy and convenient to use. 
If during cranking the ambient temperature is lower than 4ºC, engine coolant and lubricant may condense into solid state and lose their lubricating and cooling properties, which can damage the engine. Therefore engine heater should be installed to ensure normal starting and running of the engine when the ambient temperature is lower than 4 ºC. 
HT40M Water Heater combines the following features: cast stainless steel inner pipes and end closure with high corrosion resistance; power, heating and overheat protection light indicators; 3 kinds of heaters with different heating temperature are optional (Standard heater: 40ºC; 50ºC and 60ºC heaters are needed to be customized).
This product is suitable for various engines with (13~25) L displacement.