Features • High efficiency lanced fin design. • “No-hassle” 5-year warranty. 10 year Limited Warranty available. • R-22, R-410A, AC & Heat Pump compatible. • All coils have durable packaging with bar coded labels on the box. • Threaded expansion valves available factory installed or as a field installed kit. • Coils are air pressure tested at 500 psi, leak tested with helium, sealed with rubber plugs, then charged with dry air. • Downflow drip shields are molded into drain pan. • Filter-friendly top plate on most models (except 22" & above). • Down-turned headers are sized out to easily receive line set. • Factory software for TXV failure testing. • Includes die-cut foam sheet for sealing, drain ELL, drain hose & clamp. • Dedicated upflow/downflow. • Copper refrigerant connections for easy brazing. • Rifled copper tubing.