The Trane COL16271 Aluminum Coil with Drain Pan is an OEM evaporator coil assembly designed for compatible Trane air conditioning and heat pump systems. It works by allowing refrigerant to absorb heat from the indoor air as it passes over the aluminum coil, while the integrated drain pan collects and channels condensate for proper moisture removal. Engineered for efficient heat transf... https://www.partshnc.com/aluminum-coil-wdrain-pan-17