White Rodgers TERN 20FW-01G Thermostatic Expansion Valve T-SERIES TAKE-APART THERMOSTATIC EXPANSION VALVE, EXTERNALLY EQUALIZED, 20 TON CAPACITY, REFRIGERANT CODE F (R-12), CHARGE CODE W (WIDE RANGE), CAP. TUBE 120", 7/8" ODF X 1-1/8" ODM, ANGLE BODY, GT06321-022