... operating temperature250° FMaximum brazing temperature1250° FMaximum sound level250dBMaximum external leakage30.1 ounce per yearKnown compatible refrigerantsR12, R22, R134a, R500, R502, ... 2000A, B1/4", 5/16", 3/8",3/8", 1/2"V20.75 to 2400 to 2000A, B1/4", 5 ... 8 (3 on 3/4)500 to 2000E3/8", 1/2"5/8", 3/4"V41 to 4500 to 4000A1 ... 3/4", 7/8"7/8", 1 1/8"V125 to 121500 to 15000F1 1/8"1 3/8" RANCO heat pump 4 way ...