The remote nozzle kit 50028001-001 includes the plastic hose fitting at humidifier and plastic hose nozzle fitting and foam gasket for duct. For use with ¾" ID hose, hose not included. Replaces part 50030378-002. Run hose (not included) continuously uphill. For horizontal runs, ensure a slope of 2 inch uphill per foot. Secure hose every horizontal foot using clamps (not provided.) For long horizontal runs, support the hose with, U-channel, angle iron, etc. with the appropriate slope. Then attach the hose to the top of this support. See TrueSteam Installation manual, Page 9 for remote mount instruction.