No Image Lot 253 Aztec Superior model 5-X-205 Natural gas fired boiler. S/N 13152, 1996, 1650 lb.'s per hour steam ca 253Aztec Superior model 5-X-205 Natural gas fired boiler. S/N 13152, 1996, 1650 lb.'s per hour steam ca Holland Industrial Group Aztec Superior model 5-X-205 Natural gas fired boiler. S/N 13152, 1996, 1650 lb.'s per hour steam capacity, 47 HP Add to watchlist Live