White Rodgers AFAE 3/4SZ-01 Heat Exchangers AFA SERIES THERMOSTATIC EXPANSION VALVE, EXTERNALLY EQUALIZED, 3/4 TON CAPACITY, REFRIGERANT CODE S (R-404A), CHARGE CODE Z (LOW TEMP), CAP. TUBE 30", 1/4" SAE X 3/8-1/2" SAE, ANGLE BODY