American Standard® Scroll Compressor, 49700 Btu/hr, Tonnage: 4.4 ton, Brazed, Stub Tube Connection, 7/8 in Suction Line, 1/2 in Discharge Line, 200-230 V, 60 Hz, 3 ph, R-410A Refrigerant, 3500 rpm, Polyolester Compressor Oil, For Use With: YHD180G3RVD15FE00C1B00000000000000000000, YHD180G3RHD1AH001A1B00000A00000000000000, YHD180G3RLD18P0E1A1A200BH000000000000000 and YHD180G3RHB0XD3C1A10700A7000000000000000 Units