Dishwasher comprising; - a washing chamber; - a washing system comprising at least one spraying element and a washing pump; - a draining circuit comprising at least one draining pump; - a hydraulic recovery circuit for recovering the washing liquid of the dishwasher, said hydraulic recovery circuit comprising: - at least one storage container, for containing the washing liquid recovered and comprising at least one opening, through which the liquid flows into our out of the container itself; whereby downstream of said pump a hydraulic washing circuit of said dishwasher is connected; said pump being for leading the liquid contained into said at least one container, thus at least partially emptying it, towards said hydraulic washing circuit, during a draining step of the hydraulic recovery circuit; the hydraulic recovery circuit being hydraulically connected to said at least one opening of the storage container by means of a duct: whereby said hydraulic recovery circuit, is hydraulically connected to at least one sump, where the washing liquid to be recovered arrives; whereby - said at least one container hydraulically directly connected to said sump so as to collect and contain the liquid coming from said sump; during a loading step performed to storage container, load the the container itself hydraulically connected downstream of said sump so as collect and contain the liquid coming from said sump whereby - said at least one container is hydraulically connected upstream of the pump, so as to allow the container to be at least partially emptied using the pump itself; the hydraulic recovery circuit characterized in that: said container comprises at least one vent valve, which is electronically controlled; said vent valve, in a first open operating configuration, allowing said container to be at least partially filled and emptied and, in a closed operating configuration, preventing the container itself from being emptied and filled. - a washing chamber; - a washing system comprising at least one spraying element and a washing pump; - a draining circuit comprising at least one draining pump; - a hydraulic recovery circuit for recovering the washing liquid of the dishwasher, said hydraulic recovery circuit comprising: - at least one storage container, for containing the washing liquid recovered and comprising at least one opening, through which the liquid flows into our out of the container itself; whereby downstream of said pump a hydraulic washing circuit of said dishwasher is connected; said pump being for leading the liquid contained into said at least one container, thus at least partially emptying it, towards said hydraulic washing circuit, during a draining step of the hydraulic recovery circuit; the hydraulic recovery circuit being hydraulically connected to said at least one opening of the storage container by means of a duct: whereby said hydraulic recovery circuit, is hydraulically connected to at least one sump, where the washing liquid to be recovered arrives; whereby - said at least one container hydraulically directly connected to said sump so as to collect and contain the liquid coming from said sump; during a loading step performed to storage container, load the the container itself hydraulically connected downstream of said sump so as collect and contain the liquid coming from said sump whereby - said at least one container is hydraulically connected upstream of the pump, so as to allow the container to be at least partially emptied using the pump itself; the hydraulic recovery circuit characterized in that: said container comprises at least one vent valve, which is electronically controlled; said vent valve, in a first open operating configuration, allowing said container to be at least partially filled and emptied and, in a closed operating configuration, preventing the container itself from being emptied and filled. said container comprises at least one vent valve, which is electronically controlled; said vent valve, in a first open operating configuration, allowing said container to be at least partially filled and emptied and, in a closed operating configuration, preventing the container itself from being emptied and filled.