Maintainers fried, sometimes also called heated potatoes, are very useful in kitchens, bars and buffets sites to keep warm wide frying.
They consist of one or more trays on which a heat source, usually infrared light, which keeps food warm until served is applied.
Its most common use is as a perfect complement to the fryer. a constant frying foods like fish or potatoes is maintained, and beside this maintainer is placed so that the frying oil is releasing the maintainer but without losing temperature, leaving the fryer also free to continue being used.