A heating unit comprising an electrically conductive substrate. The apparatus includes a ventilation network to pass air to and from the interior area, the ventilation network including a pathogen identification and containment apparatus to detect, isolate and treat potentially harmful material within the soiled laundry. When the objective lens is shifted in a radial direction, a tilt is applied to the objective lens corresponding to the shift. The remote racking device includes an actuator pin that abuts a corresponding button arm protruding through the front panel.