61005988 Jenn-Air adaptive defrost assembly timer. Replaces AP4070403, 12002104, 61002983, 61003990, 67003349, 948430, AH2061226, EA2061226, PS2061226. Includes board and white plastic casing - Replaces conventional defrost timer by sending the unit into defrost when the unit needs defrosting. Manufacturing number on board is 78245.001. Fits many models. Click MORE DETAILS link for specific model coverage.