Abstract: A wax free toilet installation kit allows plumbers to approach new construction and old closet flanges with one economical and efficient set of parts that will work with both three and four inch soil pipes. A new threaded adapter sleeve 100 fits into both three and four inch traditional closet flanges to retrofit old wax system installations. The threaded adapter sleeve has a threaded body 110 to accommodate a variety of height adjustment nuts, which include a compact adjustment nut 125 and a lip and valley expanded adjustment nut 128. A new male female pipe coupler 200 may be used in new construction and comports with both three and four inch soil pipes. The threaded adapter sleeve 100 fits into the male female pipe coupler 200. The threaded adapter sleeve is quickly adjusted to accommodate varying floor heights.