• Coils can be installed in upflow or downflow applications. • High efficiency lanced fin design. • Leak free product - pressure tested twice (500 psi immersion & 300 psi He). • Coils have galvanized cabinets fully lined with 5/8"" foil faced insulation. • Piston options include externally accessible body for easy piston change out and/or TXV installation. • UV resistant drain pans are molded of high temperature (450° F) engineered polymer. • Microban® antimicrobial additive to inhibit the growth of mold and mildew in the drain pan. • Copper refrigerant connections for easy brazing on both copper and aluminum slab models. • Enhanced refrigerant pipe grommets: secure, tight, and easy to install. • Non-captive refrigerant lines with long stubs make for easy installation. • Liquid line refrigerant connections are 3/8"" ODF. • Suction line refrigerant connections are: 1. 3/4"" ODF on A-Coil 18-36 size models 2. 7/8"" ODF on A-Coil 42-60 size models 3. 1.125"" on slab numbers E43, E46, E56, and E65 for size 42 models and higher. • Dual 3/4"" FPT condensate drains on front-left and front-right side of drain pans. • Threaded expansion valves available factory installed or as a field install kit. • Proprietary software used to proof TXV's are not closed. • Expansion valve with improved temperature sensing: 1. Mounted inside cabinet to prevent external sweating. 2. Bulb clamped standard factory installed. 3. Wrapped bulb optional factory installed. • R454B with refrigerant detection system. • HydroTEC™ low water retention drain pan. • Cabinet insulation hold down tabs for easy drain pan removal. • Corrosion resistant coil header plates. • Interlocking doors reduce air leakage and allow for easy access. • Foam drain seal for reduced air leakage. • Intertek lab tested 1% or less cabinet air leakage for better efficiency. • ""No-hassle"" 5 year warranty, with an additional 5 years warranty, upon registration at www.adpwarranty.com. • All coils have durable packaging and bar coded labels on the box.