DISHWASHER AND DRYER

PROBLEM TO BE SOLVED: To surely detect both ordinary water level and abnormal water level by one float and to surely prevent the float from being badly moved. SOLUTION: In a dishwasher and dryer 10 wherein dishes are stored in a washing tank 13 provided in a casing 12 and a specified amt. of water is taken in the washing tank 13 and the dishes are washed, rinsed and dried, a float 20 floating with water in the washing tank 13 and an ordinary water level sensor 22 and an abnormal water level sensor 23 for detecting the amt. of water taken in the washing tank through the float 20 are provided to detect both ordinary water level and abnormal water level of the water taken in the washing tank 13 by means of one float 20. The float 20 is arranged in a connecting member 45 constituting a part of a drain passage 21 for draining the water in the washing tank 13 outside.