A durable, thermostatically controlled engine sump preheater designed for use with most Lycoming (except IO w/bottom air intake), Continental, Franklin, Garrett, & Marathon engines. (Please call to confirm correct application). Includes installation materials & complete instructions. Note: for Continental engines with curved sump bottom, order #410010 curved adapter plate. Watts: 220 @ 120V. Amps: 2.75. Two year mfg warranty.