A telescopic pull-out device for attachment to a support frame disposed in a processing chamber of a household appliance includes a holding rail, a running rail, and an attachment mechanism disposed on the holding rail and configured to detachably connect the holding rail to the support frame. The support frame includes an upper horizontal guide rod and a lower horizontal guide rod disposed at a distance below the upper guide rod. The horizontal guide rods are configured to slidably guide a rack into the processing chamber. The running rail includes a projection having a carrier section configured to support the rack. The projection is configured so that, in an installed state of the telescopic pull-out device, a surface of the carrier section is disposed at a predetermined height between a top of the lower horizontal guide rod and a bottom of the upper horizontal guide rod.