White Rodgers AAE 1/2SW45-02 Thermostatic Expansion Valve A-SERIES THERMOSTATIC EXPANSION VALVE, EXTERNALLY EQUALIZED, 1/2 TON CAPACITY, REFRIGERANT CODE S (R-404A), CHARGE CODE W (45 MOP), CAP. TUBE 60", 3/8" ODF X 1/2" ODF, STRAIGHT THRU BODY