12V 4-Port Car Auxiliary Heater with 12 Copper Tubes, Heavy Duty Heating & Defrosting for Trucks, Vans, RV, Vehicle Cabin Warmer, Includes Switch, Mounting Brackets & Hose Kit

SpecificationColor: GreyOptional Voltage: 12V Power Supply: 8A Material: Copper, IronSwitch: Infinite Speed RegulationMotor Type: Blower MotorWeight: About 3kg/6.6lbsHeater Size: 23*21*10cm/9*8*3.9inchRequired Fitting: 5/8'' (16mm) Inner Diameter Water Hose (Not Included)Instruction1.Make sure the direction of flow through the cooling system. 2.Connect the hot coolant hoses to the inlet and outlet of the heater. 3.Wire the heater and switch it into your vehicle’s electrical system. 4.Connect the red wire of the switch with the positive pole of the power supply and heater. 5.Connect the blue wire of the switch with the negative pole of the heater. 6.Connect the black wire with the negative pole of the power supply.Package Included1* 12V Four-way Heater4* Black Tubes2* Tees2* Mounting Brackets1* Switch2* Straight Fittings6* Hose Clamps (0.6-0.9inch)2* ScrewsNotes1.The heater needs to be connected to the engine cooling system.2.The blower needs to be connected to the vehicle's electrical system to blow out the warm air.

• High-Efficiency Heating with 12 Gauge Copper Tubes: Features a heavy-duty core constructed with 12 thick copper tubes for maximum heat transfer. This design rapidly warms the air passing through, providing powerful and consistent heat output to quickly raise cabin temperature, defrost windshields, and keep feet warm in cold conditions
• Durable Construction & Built-in Cooling Fans: Built from wear and corrosion-resistant copper and iron for long-term reliability in vehicle environments. The integrated dual cooling fans actively dissipate excess heat from the unit itself, preventing overheating and significantly extending the heater's operational lifespan
• Infinitely Adjustable Speed & Energy Efficient: Take full control of your comfort with the included infinitely variable speed switch. Precisely adjust airflow from gentle to maximum blast without fuel consumption. It operates solely on your vehicle's 12V system and engine coolant, making it a highly energy-efficient heating solution
• Powerful 4-Port Airflow for Full Cabin Coverage: Equipped with a robust blower motor and four directional air outlets, this heater delivers strong, distributed hot air flow throughout the passenger compartment. Effectively combat frost, fog, and cold spots for a safer and more comfortable drive
• Complete Universal Kit for Easy Installation: Ready for a wide range of vehicles including cars, trucks, vans, and RVs. The package includes the heater, switch, mounting brackets, tees, hose clamps, and straight fittings (5/8” coolant hoses required separately). Follow the clear instructions for straightforward integration into your existing cooling and electrical systems