■100 Series Heat Pump Reversing 4 Way Valves Sizes 03 Thru 21 1/2″Thru 3-1/8″Line Sizes Valve SizingValve Dimensions And ConnectionsSize(A)DischargePorting(B)ConnectingSizeStandard(C)Flare(D)(E)(F)(G)(H)(I)103-11/2"Full3/4"1/4"2-3/16"2-3/8"4-11/16"3-3/8"2-1/8"3-7/8"103-27/8"2-1/2"5"106-15/8"Full7/8"1/4"2-1/2"2-11/16"5-3/8"3-1/2"2-5/8"4-7/16"106-21-1/8"3-1/8"6-1/4"107-17/8"Full1-1/8"1/4"2-3/4"3-1/4"6-1/2"3-5/8"2-7/8"5-5/8"107-21-3/8"3-1/2"6-15/16"109-11-1/8"Full1-3/8"1/4"3-3/83-3/8"3-5/8"7-3/16"3-3/4"3-1/8"6-5/16"109-21-5/8"4-1/8"8-3/16"112-11-3/8"Full1-5/8"1/4"3-15/16"4-7/16"8-7/8"4"4"8-1/4"112-12-1/8"5-1/4"10-9/16"115-11-5/8"Full2-1/8"3/8"5-1/4"5-1/2"10-15/16"6-1/2"5-1/2"11-1/2"118-12-1/8"Full2-5/8"3/8"6-1/8"6-3/8"13-11/16"6-15/16"6-3/4"12-1/4"121-12-5/8"Full3-1/8"3/8"6-5/8" 7-1/8" 14-3/16"7-1/8"7-1/4"14-5/8"