White Rodgers AA 1/4TA-01 Heat Exchangers A-SERIES THERMOSTATIC EXPANSION VALVE, INTERNALLY EQUALIZED, 1/4 TON CAPACITY, REFRIGERANT CODE T (R-290), CHARGE CODE A (MED./LOW TEMP), CAP. TUBE 30", 3/8" ODF X 1/2" ODF STRAIGHT THRU BODY