Product Features Short cabinet with easy access. High efficiency lanced fin design. R-22, R-410, A/C & heat pump compatible. Copper refrigerant connections for easy brazing on both copper and aluminum slab models. Dual 3/4' FPT condensate drains on front and back of coil allows flexibility of placement to accommodate left or right airflow furnaces. Easy to remove access panel with only 4 screws. Non-captive panels allow access to inside of cabinet without the need to cut refrigerant lines. Refrigerant connections on top of coil. Coils are air pressure tested at 500 psi, leak tested with helium, sealed with rubber plugs, then charged with dry air. Piston models standard with TXV access port. Threaded expansion valves available factory installed or as a field installed kit. Copper distributor tube assembly provides brass to brass threads for trouble-free service of TXV. Heavy gauge cabinets fully lined with 5/8' foil faced insulation. Cabinets are available in multiple colors or embossed steel. All coils are foam packed and include bar coding on label. Easy to use filler strip, for use if coil dimensions are larger than furnace. Dedicated cutouts for condensate drains reduce air leakage. Intertek lab tested 1% or less cabinet air leakage for better efficiency. Microban-« antimicrobial additive to inhibit the growth of mold and mildew in the drain pan. HydroTEC low water retention drain pan. UV resistant drain pans are molded of high temperature (450 deg. F) engineered polymer. Refrigerant connections are 3/8' ODF liquid and 7/8' ODF suction. Refrigerant connections in center of coil away from airflow path.