Thermostatic Expansion Valve HX Valve R-410A Nominal Capacity (Tons) 1-1/2 to 8 External Inlet/Outlet OEM Specific Connection Connector Inlet (In.) 3/8 in Connector Outlet (In.) 1/2 in HXAE-3-ZX200 B15 20 to 40 Degrees F Capillary Length (In.) 30 in Reducing Flare Nut Size (In.) 1/4 Variable Bi-Flow Control Yes 15 Non-Adjustable Includes Bulb Strap Mounting Screw and Nut Adjustable Range Static 1.5 to 13.5 Degrees (R-410A) Not For Use With R-22