control water flow from the heating chamber 18 during a flushing operation referring now to fig2 the steam generator 12 is connected to the cooking chamber 14 a in some embodiments as noted above the steam generator 12 may also be connected to another cooking chamber 14 b represented by dashed lines in the illustrated embodiment a steam header 34 is used to connect steam cooking lines 36 a and 36 b to the steam generator 12 the steam cooking lines 36 a and 36 b are in turn connected to the cooking chambers 14 a and 14 b steam valves 38 a and 38 b are used to control delivery of steam to the cooking chambers 14 a and 14 b cooking compartment drains 40 a and 40 b are used for draining condensed water other liquids and debris from their respective cooking chambers 14 the cooking compartment drains 40 a and 40 b are connected to a drain line 42 which is in turn connected to a condenser 44 the drain line 42 carries the water other liquids and debris from the cooking compartment drain 40 to the condenser 44 where the water other liquids and debris can be flushed into a floor drain line 46 typically the floor drain line 46 has a diameter that is larger than that of the drain line 42 to facilitate the draining of debris flushed from the drain line in some embodiments the outlet 28 of the steam generator 12 is also connected to the condenser 44 a cooling water line 48 may be used to reduce temperature of the water drained from the steam generator 12 to an acceptable level the condenser 44 may include a temperature sensor 45.