4 Ton AC/HP Uncased N Coil, Airflow: Upflow/Downflow, Refrigerant: R-22, Metering Device: TXV, Drain Pan: Plastic (Not for High Heat), Connection Size: 3/8" x 7/8", Connection Type: Sweat, Dims: 25-1/2"H x 23-1/2"W x 20"D, Weight: 70 Lbs. "Do Not Use With a Gas Furnace". RCSA - Replacement Coils Are Used Only in (-)HKA, (-)HLA, and (-)HSA R-22 Air Handlers