YORK 6 TON 2 STAGE CONVERTIBLE NATURAL GAS/ELECTRIC PACKAGED UNIT, 11 EER 208-230/60/3 R-410A. 6 TON 2 STAGE CONVERTIBLE NATURAL GAS/ELECTRIC PACKAGED UNIT, VOLTS:280/230, HERTZ:60, PHASE:3, REFRIGERANT:R410A, EER:11, EFFICIENCY:80%, CFM:2300, BTU INPUT:125,000/90,000, BTU OUTPUT:100,000/, 72,000 RETURN:25.69″ x 10.88″, SUPPLY:11.94 x 17.38″, OVERALL DIMS:40.6″H x 48.9″W x 74.1″D, OPERATING WEIGHT:646LBS, ORIGIN:USA.Read More