White Rodgers AACE 5ZW195-04 Thermostatic Expansion Valve A-SERIES THERMOSTATIC EXPANSION VALVE, EXTERNALLY EQUALIZED, 5 TON CAPACITY, REFRIGERANT CODE Z (R-410A), CHARGE CODE W (195 MOP), CAP. TUBE 60", 1/2" ODF X 5/8" ODF, STRAIGHT THRU BODY, INTERNAL CHECK FOR HEAT PUMP APPLICATIONS