FRYER

PROBLEM TO BE SOLVED: To easily and properly extract only oil from a storage tank before extracting water, when a need to extract water and oil from the storage tank constituting a fryer arises.SOLUTION: A fryer includes: a storage tank T that has a bottom side discharge part 8 releasably closed by a valve 8a in the bottom of the tank and an upper side discharge part 9 in the upper part of the tank, with the bottom side of the tank made a storage space WS of water W, and with the upper side thereof made a storage space OS of oil O; a heating means 11 for oil O that is stored in the storage space OS of oil O; and also a supply means 12 of water W that is for the storage space WS of water W under the storage space OS of the oil O.