Item Type: Engine Heater Model: FS-001-2 Material: ABS, aluminium alloy. Main Functions: Widely applicable to various engines coolant preheating. Rated Voltage: 120V Rated Power: 2000W Applicable Engine Displacement: 8.2-13L Constant Temperature Point: 50 Temperature Control Switch Operating Temperature: Disconnection Point: 50, Reset Point: 40 Insulation Resistance: 50M Electrical Strength: AC 1.5KV 1MIN Inlet and Outlet Size: Approx. 16mm / 0.63in Maximum Water Pressure: 0.5 MPA Protection Class: IP54 Package List 1 x Engine Heater 4 x Screw 4 x Screw Cover 4 x Accessory 1 x User Manual Before the water heater is powered on, check whether the cooling water of the machine meets the operating requirements of the unit. Install valves on the inlet and outlet pipes of the heater to check whether the valves are open. 1Smart Control: The engine block heater can automatically heat up the coolant and maintain at a constant temperature of 50. 2High in Power: Comes with 120V rated voltage and 2000W rated power, the coolant pre heater enables quick heating in minutes. 3Broad Utility: Allows for application on various various engines with 8.2-13L displacement, suits for coolant preheating. 4Good Material: Mainly made from premium ABS and aluminium alloy materials, not easy to malfunction and very durable for use. 5Easy to Install: Light in weight and compact in size as well, the convenient installation can be quickly completed.