HP TXV expansion device with check valve|Matched system - Our evaporator coils are specially designed and sized to match Armstrong Air® heating and cooling products, removable cabinets and a single drain pan offer quick access and easy clean up for lifelong performance efficiencies, plus, when you add a matching coil, you get a system that runs at peak performance while maximizing efficiency|Fully insulated cabinet - wall-to-wall insulation ensures less than 2% air leakage increasing efficiency and energy savings|Microban® protection - drain pans are infused with an antibacterial agent that destabilizes the membrane of microorganism cells, disrupting the cellular function of odor-causing mold and bacteria so that they can no longer grow or reproduce|MHT™ Technology - Armstrong Air® coils feature rifled tubing to enhance refrigerant flow, while lanced coil fins increase surface contact between metal and air for maximum heat transfer and efficiency

AHRI Certified|cULus Listed