Carrier 337691-751-CBP Drain Z-Tube Kit is a condensate drainage component designed to manage water removal from compatible HVAC equipment. It works by providing a properly routed passage for condensate to flow away from the evaporator or indoor coil, helping prevent water buildup and potential leaks. Designed for use with compatible Carrier air conditioners, heat pumps, and air handl... https://www.partshnc.com/337691-751-cbp-carrier-drain-tube-z-kit