Abstract: A gas fired deep fat fryer is described wherein in a first embodiment a single fry pot is used and in a second embodiment a split fry pot or a pair of matching fry pots are provided. In the first embodiment two immersion tubes are spaced apart and extend from the front toward the rear of the fry pot with a third pass immersion tube extending from the front through the rear into a flue. Combustion products travel the length of a burner tube through an immersion tube and return through a jet impingement baffle and then make a third pass from front to rear and into the flue. In the embodiment having split fry pot, a single burner and immersion tube therefor is provided with a separate third pass baffle tube.