EXCESS 8-1/2 TON 2 STAGE CONVERTIBLE NATURAL GAS/ELECTRIC PACKAGED UNIT, 11 EER, 575/60/3, R410A. 8-1/2 TON 2 STAGE CONVERTIBLE NATURAL GAS/ELECTRIC PACKAGED UNIT, EER:11, VOLTS:575, HERTZ:60, PHASE:3, NON-COMMUNICATING, BELT DRIVE HIGH STATIC, REFRIGERANT:R-410A, EFFICIENCY:81%, CFM:3400, SUPPLY DIMS:13-7/8″ x 28-3/8″, RETURN DIMS:31-1/4″ x 12-5/8″, BTU INPUT:182,000/225,000, BTU OUTPUT:127,804/158,000, OVERALL DIMS:50″H xRead More