Reversing Valve 4-Way, Less Coil, Connections:Sweat, 1/2" (Suction Tube)X 3/4" X 3/4" X 3/4" (High Pressure Tubes), Capacity In Tons 1.0 To 5.5 R-22, Capacity In Tons 1.0 To 5.5 R-502, Capacity In Tons 1.3 To 6.7 R-410A, Application On Unitary Split System And Window Type Heat Pumps, Weight 1-Lbs 10-Oz, 6-1/2"H X 7-7/8"W X 2-3/8"D.