Heat Pump Reversing Valve Valve Type Slide Operation Type Coil Operated Four Way Suction Tube I.D. 3/4 in High Pressure Tube I.D. 1/2 in Capacity in Tons (R-22) 1.0 to 5.5 Capacity in Tons (R-410A) 1.3 to 6.7 Capacity in Tons (R-502) 1.0 to 5.5 For Use With 5AV38 or 5AV39 Coil Standards UL