CX34 Indoor Coil CX34-62D-6F Up-flow, full-cased models 1.5- to 5-ton capacities Factory-installed R-410A thermostatic expansion valve helps ensure sufficient operation Large surface area for high-efficiency operation Copper-rifled tubing and enhanced aluminum fins for improved heat transfer Non-corrosive, UV-resistant polymer drain pan with dual connections Minimal air resistance for better performance