White Rodgers HFSC 1/2RZ-01 Thermal Accessories HF SERIES THERMOSTATIC EXPANSION VALVE, INTERNALLY EQUALIZED, 1/2 TON CAPACITY, REFRIGERANT CODE R (R-502), CHARGE CODE Z (LOW TEMP), CAP. TUBE 60", 3/8" ODF X 1/2" ODF, ANGLE BODY, INLET STRAINER