The oil warmer is only for use in cold weather applications where heavy icing occurs. For use on Generac air Cooled units manufactured 2013 to present, not all air cooled units. Also consider model 7101 battery warmer and 7103 breather heater cold weather accessories (compatible on both 50 Hz or 60 Hz units). The oil warmer slips directly under the oil filter Only compatible on Generac units manufactured 2008 to present Recommended for locations that regularly go below 32 degrees Fahrenheit When installing any cold weather item, it is required that the oil be replaced with 5W-30 synthetic Generac Air-Cooled Generator Oil Heater Kit 7102 Fits 8kW to 28kW Generac Guardian Generators Voltage: 240V, Wattage: 50W, Amps: 0.21 Recommended for use when temperature regularly fall below 0 degrees F. Turns on at 40 degrees, Turns off at 55 degrees Only compatible on Air-Cooled Generators manufactured After 2008. Generac 1-Year Limited Warranty