The Simplicity 7 Series first came out in the mid 90's. They were made in Taiwan at first but they were later made in the USA in 1997 when Tacony first opened their factory in St. James, Missouri. In the mid 2000's, they made a few improvements on their newer 7 Series models such as the stretch hose, rubber coated wheels on some models, filtration such as HEPA bags and filters, an even more powerful Duratech motor that also came with a thermal reset button, and not to mention the decals as well. In the late 2000's when the first Symmetry models replaced the 6 Series models as well as some of the 7 Series models, The entire line of the 7 Series was going to be discontinued. By the end of 2013, the 7 Series went out of production. In 2014, the newer Symmetry S20 models replaced the 7 Series.
Here is the list of the older 7 Series models that were made:
7200 - Oxford Blue, Single stage motor, No attachments on board, Looped handle.
7250 - Black, Single stage Motor, Attachments on board, Looped handle.
7300 - Elderberry, 2 stage motor, No attachments on board, Floor selector switch, Looped handle.
7350 - Sherwood Green, 2 stage motor, Attachments on board, Floor selector switch, Looped handle.
7400 (Commercial) - Slate Gray, Single stage motor, No attachments on board, Straight handle
7450 (Commercial) - Slate Gray, 2 stage motor, Attachments on board, Straight handle.
Here is the list of the newer 7 Series models that were made with some new improvements such as the stretch hose, rubber coated wheels on some models, HEPA bags and filters, motors, thermal reset button, and decals:
7700 - Dove White - 2 stage motor, No attachments on board, Looped handle.
7750 - Admiral - 2 stage motor, Attachments on board, Looped handle.
7850 - Cabernet - 2 stage motor, Attachments on board, Floor selector switch, Looped handle.
7900 (Commercial) - Slate Gray, Single stage motor, No attachments on board, Straight handle.
7950 (Commercial) - Slate Gray, 2 stage motor, Attachments on board, Straight handle.