White Rodgers HFESC 8-1/2BA-02 Heat Exchangers HF SERIES THERMOSTATIC EXPANSION VALVE, EXTERNALLY EQUALIZED, 8-1/2 TON CAPACITY, REFRIGERANT CODE B (R-448A,R-449A), CHARGE CODE A (MED./LOW TEMP.), CAP. TUBE 60", 5/8" ODF X 7/8" ODF, ANGLE BODY, INLET STRAINER