White Rodgers AAE 2BA-05 Thermostatic Expansion Valve A-SERIES THERMOSTATIC EXPANSION VALVE, EXTERNALLY EQUALIZED, 2 TON CAPACITY, REFRIGERANT CODE B (R-448A AND R-449A), CHARGE CODE A (WIDE RANGE), CAP. TUBE 30", 1/2" ODF X 5/8" ODF, STRAIGHT THRU BODY