Thermostatic Expansion Valve, Parker; C-Valve Body, 1/4" Equalizer, 1-1/2 to 3 Ton, 3/8"Inlet X 1/2" Outlet, Parker CE-C 3X4, Pressure Rating Is 450PSI, For Use with Small Refrigeration System, AC System, Heat Pump System, Freezer, Walk-In Cooler, Mfg Box