White Rodgers HFESC 1/2BA-01 Heat Exchangers HF SERIES THERMOSTATIC EXPANSION VALVE, EXTERNALLY EQUALIZED, 1/2 TON CAPACITY, REFRIGERANT CODE B (R-448A,R-449A), CHARGE CODE A (MED./LOW TEMP.), CAP. TUBE 60", 1/4" ODF X 1/2" ODF, ANGLE BODY, INLET STRAINER