Pre-heating oven ECF 4 series with an electronic card for storing 10 cycles, each of them includes 4 stages with temperatures, rising speed and standby times that may be preset by the operator according to his needs. Possibility to preset a 8 stage cycle and a cooling phase. Timer for deferred weekly ignition . Final temperature which may be preset up to 1100 °C. Heating system by muffle with resistances on the four sides. Set for the connection to an extractor equipped with intake fan (AS) controlled by card with two options: automatic ignition of the fan when the heating system starts with temperature programming for stopping the fan or manually fan drive with timer programming for the duration of the intake time. Set for the connection to the hood with temperature programming for stopping the hood. Visualization of the cycle time period. Safety microswitch that cuts off the power to the resistance in any phase of the heating cycle when the door opens. Upper part made of stainless steel. Input voltage 230 V ac 50/60 hz.