1. MAIN PURPOSE: This generator water heater is suitable for all kinds of engine coolant preheating, with small heat loss, efficient and durable. 2. WITH THERMOSTAT: This water heater with thermostat regulates the coolant temperature between 100‑120℉, suitable for a wide range of applications. 3. DURABLE MATERIAL: The heater is made of excellent ABS and aluminum alloy, with vibration and shock testing to ensure safe and reliable operation. 4. STANDARD SIZE: The self circulating water heater has standard water inlet and outlet to ensure stable displacement and water pressure. 5. EASY TO INSTALL: Equipped with screws and other accessories, the coolant heater is easy to install and disassemble, and has strong practicability. Specification: Item Type: Engine Water Heater Model: FS 001-0.5 Material: ABS, Aluminum Alloy Main Function: Suitable for all kinds of engine coolant preheating Rated Voltage: 120V Rated Power: 500W Rated Current: 2A Engine Displacement: 0-2.5L Thermostat Set Point: 50℃ Insulation Resistance: ≥50MΩ Inlet and Outlet Size: Approx. 16mm / 0.6in Maximum Water Pressure: 0.5 MPA Protection Class: IP54 Package List: 1 x Engine Water Heater4 x Screws 4 x Screw 4 x Accessories 1 x User Manual Note: Products with electrical plugs are designed for use in the US. Outlets and voltages vary internationally, and this product may require an adapter or converter for use at your destination. Please check compatibility before purchasing.