Aspen manufacturing has significantly consolidated the number of expansion valves used in manufacturing coil and air handlers from 16 a year ago to only 6 today. These six TXV's can all be used in both heat pump and cooling only applications. Additionally, all of these new valves have wide operating ranges. Whereas most of those previously used did not, i.e. they can cover more tonnage capacities.
Aspen Thermal Expansion Valve, X5-3 Model, 1-1/2 - 3-1/2 ton Nominal, R-410A Refrigerant