White Rodgers HFESC 1/2SZ-01 Thermostatic Expansion Valve HF SERIES THERMOSTATIC EXPANSION VALVE, EXTERNALLY EQUALIZED, 1/2 TON CAPACITY, REFRIGERANT CODE S (R-404A), CHARGE CODE Z (LOW TEMP), CAP. TUBE 60", 3/8" ODF X 1/2" ODF, ANGLE BODY, INLET STRAINER