Any bowl needs to set flat to the floor without rocking. Shim as needed, though we tend to shim the back and try to pin the front of the bowl to the...
That kind of a fitting is just like a hose on an outside hose bib...the thing that seals is the gasket, not the threads which are only there to allow...
It's a raised Cape, the front roof is steep, and the back has a low pitch (don't know how much really until I get there). There are no soffit vents,...
You would be looking at the Vespin II if you wanted to go with the 14" Unift adapter.
Same tank, but a different bowl that allows moving it back 2"....