The aluminum alternate replacement coil listed may be used as a replacement for the original copper coil when the air handler is installed with an air conditioning outdoor unit. The aluminum alternate replacement coil may be installed with a heat pump, if the coil is an approved match with the heat pump. See lennox matching charts for the heat pump. Includes: Aluminum coil assembly with upflow drain pan and factory installed check / expansion valve Bag assembly Installation Instruction Label - 103624-01 - Aluminum Coil Cleaning Instruction Label - 580983-01 - Replacement Alum Coil Notice Label set - Heat Pump Charging labels for aluminum coils