Car heater 12V 24V heater van modified truck water heating air conditioning evaporator assembly Product name: Automobile air conditioner evaporator assembly Status: brand new Colour: Black Model: 404 single warm type Temperature control: three gears Power supply: 12V 8A /24V 4A Size: 40*27.5*14CM Working principle: This product is a water heating type heater, which does not heat itself, but uses the temperature of the cooling water of the car engine to exchange heat. Therefore, the water temperature of the car water tank directly affects the outlet air temperature of this product. Installation conditions: 1. The car has a circulating water tank 2. The water circulation/water pressure is normal 3. The water temperature is above 50 degrees 4. There is space to install Temperature instructions: Before purchasing, make sure the car water temperature is at least 50 degrees (the best water temperature is above 70 degrees). If the car water temperature is low, please solve the water temperature problem before installing this product.