The External Nebulizer Kit manages condensate from the Innova Wall Mounted unit’s drain pan. No drain is required as the nebulizer collects water, vaporizes it through a heated nozzle and integrated heater, and discharges it safely outdoors through a heated tube. The Nebulizer Kit can be mounted beneath the unit or directly on the wall. It connects to the ERV port for power and requires a 33 mm wall opening for the heated pipe and nozzle.