Trane 4 Ton 17 SEER 2 Stage Gas System Includes Installation comes with (1) Trane 4 Ton XR17 SEER 2 Stage AC Condenser 4TTR7048A1000B, (2) Trane XV80 Two Stage V/S 80000 BTUH Gas Heating Furnace TUD2C080B9V4VB & (3) Trane 3-5 Ton 42000-60000 BTU Convertible Cased Coil 4TXCC009DS3HCA