Thermostatic Expansion Valve Adjustable R-404A Nominal Capacity (Tons) 2 to 3-1/2 External Straight Through Solder Connection Connector Inlet (In.) 3/8 in Connector Outlet (In.) 1/2 in ECE-C-SZ -40 to 0 Capillary Length (In.) 30 in Reducing Flare Nut Size (In.) - 10 Accuracy Maintained Over a Wide Variation in Evaporator Load Thereby Minimizing Hunting Flood Back and Coil Starving Problems YES 750-70 Externally Adjustable Includes Sensing Bulb Mounting Clamp