Trane 4 Ton 48000 BTU 4TXC Convertible Cased Coil 4TXCC007DS3HCA Trane 4 Ton 48000 BTU 4TXC Cased Coil 4TXCC007DS3HCA is equipped with Trane’s all-aluminum Comfort™ coil. This will ensure the unit lasts for years and doesn’t cause leakage so often. $1,200.00